April 6

April 6 is the 96th day of the year (97th in leap years) in the Gregorian calendar, leaving 269 days until the end of the year.^[1]
The date holds historical importance for several pivotal events, including the opening of the first modern Olympic Games in Athens on April 6, 1896, reviving ancient Greek traditions after a 1,500-year hiatus.^[2] On April 6, 1917, the United States formally entered World War I when Congress approved and President Woodrow Wilson signed a declaration of war against Germany, mobilizing over 2 million American troops in the conflict.^[3][4] Additionally, April 6, 1830, marks the legal organization of the Church of Christ—later renamed The Church of Jesus Christ of Latter-day Saints—in Fayette, New York, by Joseph Smith and followers, establishing its foundational structure.^[5] Other notable occurrences include the onset of the Rwandan genocide on April 6, 1994, triggered by the assassination of President Juvénal Habyarimana, leading to the mass killing of over 800,000 Tutsis and moderate Hutus.^[1] These events underscore April 6's recurring association with transformative military, cultural, and religious developments, though claims like Robert Peary's disputed 1909 attainment of the North Pole on this date remain unverified and contested by subsequent expeditions.^[6]

Events

Pre-1600

Richard I of England (1157–1199), known as Richard the Lionheart, died on April 6, 1199, at the age of 41 from gangrene resulting from a crossbow wound sustained during the siege of Château de Châlus in the Limousin region of France.^[7] The injury occurred when Richard approached too closely to the castle walls to inspect the defenses, prompting a bolt from a defending crossbowman, Pierre Basile, to strike his left shoulder; despite surgical attempts to remove the bolt and treat the infection, sepsis set in over ten days.^[8] In his final moments, attended by his mother Eleanor of Aquitaine, Richard pardoned Basile, distributed his possessions—bequeathing jewels to his nephew Otto of Brunswick—and explicitly named his brother John as heir, overriding any claims by Arthur of Brittany, son of his late brother Geoffrey. His death precipitated John's uncontested accession as king on May 27, 1199, but immediately intensified Angevin vulnerabilities, as Philip II of France exploited the succession to press territorial claims in Normandy and Anjou, setting the stage for losses that weakened the English crown's continental holdings.^[7] Peter of Verona (c. 1204–1252), also known as Saint Peter Martyr, a Dominican friar and leading inquisitor against Cathar heresies in northern Italy, was assassinated on April 6, 1252, near Milan by hired killers wielding a billhook and falchion.^[9] Ordained around 1220, Peter had risen to prominence preaching against dualist sects in Lombardy, earning papal commissions from Gregory IX to combat Albigensian influences; his zeal led to excommunications and property seizures that provoked retaliation from heretical sympathizers and secular nobles resistant to inquisitorial overreach. Struck on the head during an ambush on the road to Como, Peter reportedly wrote "Credo in unum Deum" in his own blood on the ground before succumbing, an act chronicled in hagiographic accounts emphasizing his martyrdom; his companion survived to testify. Canonized rapidly by Innocent IV on March 25, 1253—less than a year later—Peter's death galvanized Dominican efforts, inspiring increased recruitment and papal bulls reinforcing inquisitorial authority, which contributed to the suppression of Cathar strongholds in Lombardy and Tuscany by the late 13th century. Raphael (Raffaello Sanzio da Urbino, 1483–1520), the High Renaissance painter and architect, died on April 6, 1520, in Rome at age 37, shortly after falling ill with a fever following overexertion or excessive indulgence.^[10] Summoned to Rome by Pope Julius II in 1508, Raphael had supervised frescoes in the Vatican Stanze and designed St. Peter's Basilica extensions, blending Peruginesque grace with Leonardo's sfumato and Michelangelo's dynamism; his death, attributed contemporaneously to a "violent fever" after nocturnal exertions, halted work on commissions like the Villa Farnesina loggia and the Transfiguration altarpiece, which pupils Giulio Romano and Gian Francesco Penni completed.^[10] Buried with state honors in the Pantheon amid public mourning, his premature end dispersed his workshop's unfinished projects, yet preserved his designs through engravings and apprentices, influencing subsequent Roman Mannerism and ensuring his stylistic synthesis became a benchmark for academic classicism into the 17th century.^[10]

1601–1900

Thomas Green Clemson, an American mining engineer, Confederate military officer, and South Carolina state senator, died on April 6, 1888, at age 80 from pneumonia at Fort Hill plantation in Pickens County, South Carolina.^[11][12] Contemporary accounts noted his final days involved a brief illness, with no autopsy reported, though his prior health reflected the rigors of engineering fieldwork and political service.^[12] Clemson's passing directly catalyzed advancements in agricultural and mechanical sciences in the American South, as his will bequeathed 814 acres of land and over $80,000 in assets—equivalent to millions today—to the state for founding a college dedicated to scientific farming, engineering, and industrial education, excluding instruction in theology, classics, or military tactics.^[11][12] This bequest, contested by relatives but upheld by the South Carolina legislature in 1890, established Clemson Agricultural College (now Clemson University), which enrolled its first students in 1893 and emphasized empirical training in crop rotation, soil chemistry, and machinery—disciplines aligned with land-grant university models under the Morrill Act of 1862.^[11] His political career, including advocacy for internal improvements and economic diversification post-Civil War, informed this vision; as a Unionist who nonetheless supported the Confederacy, Clemson prioritized causal mechanisms for regional self-sufficiency through applied science over abstract humanities.^[11] The institution's early curriculum, drawing on European technical models Clemson encountered during his mining career in Pennsylvania and Venezuela, fostered innovations in textile engineering and agronomy, contributing to the South's industrial pivot by the early 20th century.^[12]

1901–present

• 1971 – Igor Stravinsky, Russian-born composer and conductor known for works like The Rite of Spring (b. 1882), died at age 88 from heart disease following a pulmonary edema.^[9]
• 1992 – Isaac Asimov, Russian-born American author and biochemist renowned for science fiction like the Foundation series and popular science books (b. 1920), died at age 72 from kidney failure due to complications of HIV/AIDS contracted via a contaminated blood transfusion during triple bypass surgery in 1983; the true cause was concealed until 2002 to avoid stigma associated with the disease at the time.^[13][14]
• 1998 – Tammy Wynette, American country music singer famous for hits like "Stand by Your Man" (b. 1942), died at age 55 from pulmonary emboli.^[9]
• 2014 – Mickey Rooney, American actor with a career spanning over 80 years, including roles in National Velvet and It's a Mad, Mad, Mad, Mad World (b. 1920), died at age 93 from natural causes.^[15]
• 2016 – Merle Haggard, American country singer-songwriter known for songs like "Okie from Muskogee" and "Mama Tried" (b. 1937), died at age 79 from complications of double pneumonia after months of battling the illness.^[16]
• 2017 – Don Rickles, American comedian and actor famed for his insult comedy and appearances on The Tonight Show (b. 1926), died at age 90 from kidney failure.^[15]
• 2020 – Al Kaline, American baseball Hall of Famer and Detroit Tigers outfielder who won 10 Gold Gloves and hit 3,007 career hits (b. 1934), died at age 85 from natural causes unrelated to COVID-19.^[17]

Births

Pre-1600

Richard I of England (1157–1199), known as Richard the Lionheart, died on April 6, 1199, at the age of 41 from gangrene resulting from a crossbow wound sustained during the siege of Château de Châlus in the Limousin region of France.^[7] The injury occurred when Richard approached too closely to the castle walls to inspect the defenses, prompting a bolt from a defending crossbowman, Pierre Basile, to strike his left shoulder; despite surgical attempts to remove the bolt and treat the infection, sepsis set in over ten days.^[8] In his final moments, attended by his mother Eleanor of Aquitaine, Richard pardoned Basile, distributed his possessions—bequeathing jewels to his nephew Otto of Brunswick—and explicitly named his brother John as heir, overriding any claims by Arthur of Brittany, son of his late brother Geoffrey. His death precipitated John's uncontested accession as king on May 27, 1199, but immediately intensified Angevin vulnerabilities, as Philip II of France exploited the succession to press territorial claims in Normandy and Anjou, setting the stage for losses that weakened the English crown's continental holdings.^[7] Peter of Verona (c. 1204–1252), also known as Saint Peter Martyr, a Dominican friar and leading inquisitor against Cathar heresies in northern Italy, was assassinated on April 6, 1252, near Milan by hired killers wielding a billhook and falchion.^[9] Ordained around 1220, Peter had risen to prominence preaching against dualist sects in Lombardy, earning papal commissions from Gregory IX to combat Albigensian influences; his zeal led to excommunications and property seizures that provoked retaliation from heretical sympathizers and secular nobles resistant to inquisitorial overreach. Struck on the head during an ambush on the road to Como, Peter reportedly wrote "Credo in unum Deum" in his own blood on the ground before succumbing, an act chronicled in hagiographic accounts emphasizing his martyrdom; his companion survived to testify. Canonized rapidly by Innocent IV on March 25, 1253—less than a year later—Peter's death galvanized Dominican efforts, inspiring increased recruitment and papal bulls reinforcing inquisitorial authority, which contributed to the suppression of Cathar strongholds in Lombardy and Tuscany by the late 13th century. Raphael (Raffaello Sanzio da Urbino, 1483–1520), the High Renaissance painter and architect, died on April 6, 1520, in Rome at age 37, shortly after falling ill with a fever following overexertion or excessive indulgence.^[10] Summoned to Rome by Pope Julius II in 1508, Raphael had supervised frescoes in the Vatican Stanze and designed St. Peter's Basilica extensions, blending Peruginesque grace with Leonardo's sfumato and Michelangelo's dynamism; his death, attributed contemporaneously to a "violent fever" after nocturnal exertions, halted work on commissions like the Villa Farnesina loggia and the Transfiguration altarpiece, which pupils Giulio Romano and Gian Francesco Penni completed.^[10] Buried with state honors in the Pantheon amid public mourning, his premature end dispersed his workshop's unfinished projects, yet preserved his designs through engravings and apprentices, influencing subsequent Roman Mannerism and ensuring his stylistic synthesis became a benchmark for academic classicism into the 17th century.^[10]

1601–1900

Thomas Green Clemson, an American mining engineer, Confederate military officer, and South Carolina state senator, died on April 6, 1888, at age 80 from pneumonia at Fort Hill plantation in Pickens County, South Carolina.^[11][12] Contemporary accounts noted his final days involved a brief illness, with no autopsy reported, though his prior health reflected the rigors of engineering fieldwork and political service.^[12] Clemson's passing directly catalyzed advancements in agricultural and mechanical sciences in the American South, as his will bequeathed 814 acres of land and over $80,000 in assets—equivalent to millions today—to the state for founding a college dedicated to scientific farming, engineering, and industrial education, excluding instruction in theology, classics, or military tactics.^[11][12] This bequest, contested by relatives but upheld by the South Carolina legislature in 1890, established Clemson Agricultural College (now Clemson University), which enrolled its first students in 1893 and emphasized empirical training in crop rotation, soil chemistry, and machinery—disciplines aligned with land-grant university models under the Morrill Act of 1862.^[11] His political career, including advocacy for internal improvements and economic diversification post-Civil War, informed this vision; as a Unionist who nonetheless supported the Confederacy, Clemson prioritized causal mechanisms for regional self-sufficiency through applied science over abstract humanities.^[11] The institution's early curriculum, drawing on European technical models Clemson encountered during his mining career in Pennsylvania and Venezuela, fostered innovations in textile engineering and agronomy, contributing to the South's industrial pivot by the early 20th century.^[12]

1901–present

• 1971 – Igor Stravinsky, Russian-born composer and conductor known for works like The Rite of Spring (b. 1882), died at age 88 from heart disease following a pulmonary edema.^[9]
• 1992 – Isaac Asimov, Russian-born American author and biochemist renowned for science fiction like the Foundation series and popular science books (b. 1920), died at age 72 from kidney failure due to complications of HIV/AIDS contracted via a contaminated blood transfusion during triple bypass surgery in 1983; the true cause was concealed until 2002 to avoid stigma associated with the disease at the time.^[13][14]
• 1998 – Tammy Wynette, American country music singer famous for hits like "Stand by Your Man" (b. 1942), died at age 55 from pulmonary emboli.^[9]
• 2014 – Mickey Rooney, American actor with a career spanning over 80 years, including roles in National Velvet and It's a Mad, Mad, Mad, Mad World (b. 1920), died at age 93 from natural causes.^[15]
• 2016 – Merle Haggard, American country singer-songwriter known for songs like "Okie from Muskogee" and "Mama Tried" (b. 1937), died at age 79 from complications of double pneumonia after months of battling the illness.^[16]
• 2017 – Don Rickles, American comedian and actor famed for his insult comedy and appearances on The Tonight Show (b. 1926), died at age 90 from kidney failure.^[15]
• 2020 – Al Kaline, American baseball Hall of Famer and Detroit Tigers outfielder who won 10 Gold Gloves and hit 3,007 career hits (b. 1934), died at age 85 from natural causes unrelated to COVID-19.^[17]

Deaths

Pre-1600

Richard I of England (1157–1199), known as Richard the Lionheart, died on April 6, 1199, at the age of 41 from gangrene resulting from a crossbow wound sustained during the siege of Château de Châlus in the Limousin region of France.^[7] The injury occurred when Richard approached too closely to the castle walls to inspect the defenses, prompting a bolt from a defending crossbowman, Pierre Basile, to strike his left shoulder; despite surgical attempts to remove the bolt and treat the infection, sepsis set in over ten days.^[8] In his final moments, attended by his mother Eleanor of Aquitaine, Richard pardoned Basile, distributed his possessions—bequeathing jewels to his nephew Otto of Brunswick—and explicitly named his brother John as heir, overriding any claims by Arthur of Brittany, son of his late brother Geoffrey. His death precipitated John's uncontested accession as king on May 27, 1199, but immediately intensified Angevin vulnerabilities, as Philip II of France exploited the succession to press territorial claims in Normandy and Anjou, setting the stage for losses that weakened the English crown's continental holdings.^[7] Peter of Verona (c. 1204–1252), also known as Saint Peter Martyr, a Dominican friar and leading inquisitor against Cathar heresies in northern Italy, was assassinated on April 6, 1252, near Milan by hired killers wielding a billhook and falchion.^[9] Ordained around 1220, Peter had risen to prominence preaching against dualist sects in Lombardy, earning papal commissions from Gregory IX to combat Albigensian influences; his zeal led to excommunications and property seizures that provoked retaliation from heretical sympathizers and secular nobles resistant to inquisitorial overreach. Struck on the head during an ambush on the road to Como, Peter reportedly wrote "Credo in unum Deum" in his own blood on the ground before succumbing, an act chronicled in hagiographic accounts emphasizing his martyrdom; his companion survived to testify. Canonized rapidly by Innocent IV on March 25, 1253—less than a year later—Peter's death galvanized Dominican efforts, inspiring increased recruitment and papal bulls reinforcing inquisitorial authority, which contributed to the suppression of Cathar strongholds in Lombardy and Tuscany by the late 13th century. Raphael (Raffaello Sanzio da Urbino, 1483–1520), the High Renaissance painter and architect, died on April 6, 1520, in Rome at age 37, shortly after falling ill with a fever following overexertion or excessive indulgence.^[10] Summoned to Rome by Pope Julius II in 1508, Raphael had supervised frescoes in the Vatican Stanze and designed St. Peter's Basilica extensions, blending Peruginesque grace with Leonardo's sfumato and Michelangelo's dynamism; his death, attributed contemporaneously to a "violent fever" after nocturnal exertions, halted work on commissions like the Villa Farnesina loggia and the Transfiguration altarpiece, which pupils Giulio Romano and Gian Francesco Penni completed.^[10] Buried with state honors in the Pantheon amid public mourning, his premature end dispersed his workshop's unfinished projects, yet preserved his designs through engravings and apprentices, influencing subsequent Roman Mannerism and ensuring his stylistic synthesis became a benchmark for academic classicism into the 17th century.^[10]

1601–1900

Thomas Green Clemson, an American mining engineer, Confederate military officer, and South Carolina state senator, died on April 6, 1888, at age 80 from pneumonia at Fort Hill plantation in Pickens County, South Carolina.^[11][12] Contemporary accounts noted his final days involved a brief illness, with no autopsy reported, though his prior health reflected the rigors of engineering fieldwork and political service.^[12] Clemson's passing directly catalyzed advancements in agricultural and mechanical sciences in the American South, as his will bequeathed 814 acres of land and over $80,000 in assets—equivalent to millions today—to the state for founding a college dedicated to scientific farming, engineering, and industrial education, excluding instruction in theology, classics, or military tactics.^[11][12] This bequest, contested by relatives but upheld by the South Carolina legislature in 1890, established Clemson Agricultural College (now Clemson University), which enrolled its first students in 1893 and emphasized empirical training in crop rotation, soil chemistry, and machinery—disciplines aligned with land-grant university models under the Morrill Act of 1862.^[11] His political career, including advocacy for internal improvements and economic diversification post-Civil War, informed this vision; as a Unionist who nonetheless supported the Confederacy, Clemson prioritized causal mechanisms for regional self-sufficiency through applied science over abstract humanities.^[11] The institution's early curriculum, drawing on European technical models Clemson encountered during his mining career in Pennsylvania and Venezuela, fostered innovations in textile engineering and agronomy, contributing to the South's industrial pivot by the early 20th century.^[12]

1901–present

• 1971 – Igor Stravinsky, Russian-born composer and conductor known for works like The Rite of Spring (b. 1882), died at age 88 from heart disease following a pulmonary edema.^[9]
• 1992 – Isaac Asimov, Russian-born American author and biochemist renowned for science fiction like the Foundation series and popular science books (b. 1920), died at age 72 from kidney failure due to complications of HIV/AIDS contracted via a contaminated blood transfusion during triple bypass surgery in 1983; the true cause was concealed until 2002 to avoid stigma associated with the disease at the time.^[13][14]
• 1998 – Tammy Wynette, American country music singer famous for hits like "Stand by Your Man" (b. 1942), died at age 55 from pulmonary emboli.^[9]
• 2014 – Mickey Rooney, American actor with a career spanning over 80 years, including roles in National Velvet and It's a Mad, Mad, Mad, Mad World (b. 1920), died at age 93 from natural causes.^[15]
• 2016 – Merle Haggard, American country singer-songwriter known for songs like "Okie from Muskogee" and "Mama Tried" (b. 1937), died at age 79 from complications of double pneumonia after months of battling the illness.^[16]
• 2017 – Don Rickles, American comedian and actor famed for his insult comedy and appearances on The Tonight Show (b. 1926), died at age 90 from kidney failure.^[15]
• 2020 – Al Kaline, American baseball Hall of Famer and Detroit Tigers outfielder who won 10 Gold Gloves and hit 3,007 career hits (b. 1934), died at age 85 from natural causes unrelated to COVID-19.^[17]

Holidays and observances

Religious observances

In the Roman Catholic tradition, April 6 commemorates several saints, including Pope Celestine I (d. 432), who served as bishop of Rome from 422 to 432 and condemned Nestorianism at the Council of Ephesus in 431, affirming the title Theotokos for the Virgin Mary. Another prominent figure is Saint Juliana of Liège (c. 1193–1258), an Augustinian nun and mystic whose visions led to the institution of the Feast of Corpus Christi by Pope Urban IV in 1264, emphasizing Eucharistic devotion. Additional commemorations include Saint Eutychius of Constantinople (512–582), patriarch who opposed imperial interference in doctrine during the reign of Justinian I, and various martyrs such as those of Persia and Hadiab.^[18] In the Eastern Orthodox Church, the date honors Saint Eutychius, Patriarch of Constantinople (512–582), noted for his resistance to Monophysitism and posthumous vindication against heretical accusations. Saint Methodius (d. 885), Equal-to-the-Apostles and Archbishop of Moravia, is also remembered for his missionary work among the Slavs alongside his brother Cyril, developing the Glagolitic alphabet and translating liturgy into Old Church Slavonic despite opposition from Frankish clergy. Other figures include Saint Platonis (Platonida) of Nisibis (4th century), a virgin ascetic who endured persecution, and the 120 Martyrs of Persia under Shapur II (d. 379).^[19] The Church of Jesus Christ of Latter-day Saints observes April 6 as the anniversary of its formal organization in 1830 at Fayette, New York, by Joseph Smith, marking the legal establishment of the church following divine revelations claimed by adherents.^[5] No major fixed observances occur in Judaism or Islam on this Gregorian date, though variable lunar calendars may align minor events sporadically, such as Laylat al-Qadr during Ramadan in certain years.^[20]

National holidays

In Thailand, April 6 is designated as Chakri Day, a national public holiday honoring the establishment of the Chakri dynasty, which has governed the country continuously since its founding.^[21] The dynasty began on April 6, 1782, when King Buddha Yodfa Chulaloke, later titled Rama I, ascended the throne after overthrowing the previous regime and relocating the capital from Thonburi to Bangkok, marking the start of a new era of stability following the fall of the Ayutthaya Kingdom.^[22] This event is celebrated with official ceremonies at the Grand Palace, where the royal family pays respects at the royal ashes hall and Emerald Buddha Temple, emphasizing the dynasty's role in preserving Thai sovereignty and cultural traditions.^[23] If April 6 falls on a Saturday or Sunday, the public holiday is typically observed on the following Monday to provide an extended weekend, as per Thai government practice for national observances.^[21] The day underscores monarchical continuity, with nine monarchs from Rama I to the current Rama X, King Vajiralongkorn, having reigned under the Chakri line, reflecting its foundational impact on modern Thailand's political and ceremonial structures.^[24]

International and awareness days

The International Day of Sport for Development and Peace is observed annually on April 6, as proclaimed by United Nations General Assembly Resolution 67/296 on August 23, 2013.^[25] This designation recognizes sport's capacity to advance peacebuilding, sustainable development, and social inclusion, drawing on initiatives where physical activity has demonstrably improved youth health outcomes, fostered gender equality, and reduced community conflicts in targeted programs.^[26] Empirical assessments, however, indicate mixed results; while localized interventions show benefits like enhanced social integration and individual resilience, systematic reviews highlight insufficient rigorous evidence for broad-scale policy adoption, with challenges including power imbalances and misaligned objectives undermining sustained impact.^[27][28] Drowsy Driver Awareness Day, observed on April 6, originated in 1999 following the death of Phil Konstantin's wife in a drowsy driving incident, aiming to educate on fatigue-related crash risks equivalent to alcohol impairment at blood alcohol concentrations of 0.08%.^[29] In the United States, drowsy driving contributes to approximately 6,000 fatal crashes yearly, with data from the National Highway Traffic Safety Administration underscoring that sleep-deprived drivers exhibit impaired reaction times and judgment comparable to those intoxicated.^[30] Awareness efforts emphasize prevention through adequate rest, as promoted by safety organizations, though enforcement lags due to the absence of direct roadside tests for fatigue.^[31] Bohring-Opitz Syndrome Awareness Day, also on April 6, commemorates the founding date of the first patient support group on Facebook in 2011 for this ultra-rare genetic disorder caused by ASXL1 gene mutations, affecting roughly 200 diagnosed individuals worldwide with symptoms including severe developmental delays, distinctive facial features, and high mortality in infancy.^[32] The day, led by the Bohring-Opitz Syndrome Foundation, seeks to boost diagnosis rates—often delayed due to phenotypic overlap with other conditions—and fund research, given the disorder's prevalence of about 1 in 1 million births and lack of curative therapies.^[33] Advocacy focuses on empirical needs like multidisciplinary care, as early intervention data from case series show modest improvements in feeding and mobility outcomes.^[34] California Poppy Day, designated by the California Legislature on April 6, promotes appreciation of Eschscholzia californica, the state flower since 1903, symbolizing the region's natural heritage amid Gold Rush-era landscapes.^[35] This observance encourages conservation, as habitat loss from urbanization threatens populations, with botanical surveys documenting declines in native grasslands where the plant's bright orange blooms historically dominated spring fields.^[36]

Other occurrences

Natural disasters and accidents

On April 6, 1580, an earthquake struck the Dover Straits between England and France, with an estimated magnitude of 5.7 to 6.0. The event caused structural damage including collapsed chimneys and pinnacles in London, such as at Westminster Abbey, and was felt across southeast England and northern France. At least two fatalities occurred in London from falling masonry: an apprentice shoemaker named Thomas Gray killed instantly and his servant Mabel Everitt who succumbed to injuries days later.^[37][38] The most deadly tornado in U.S. history on a single April 6 occurred in Gainesville, Georgia, in 1936. An F4 tornado with winds exceeding 207 mph struck the city around 8:30 a.m., devastating densely packed textile mills and residential areas during peak work hours. The storm killed 203 people—primarily mill workers trapped by collapsing structures exacerbated by subsequent fires—and injured over 1,600 others, with property damage estimated in millions of dollars (equivalent to billions today). This event was part of the broader Tupelo-Gainesville outbreak, driven by unstable atmospheric conditions in the Deep South, marking it as one of the deadliest single tornadoes in American records until surpassed in the 1950s.^[39][40] Severe weather outbreaks have continued into the 21st century. On April 6, 1958, Capital Airlines Flight 67 crashed near Freeland, Michigan, due to pilot error in instrument conditions, killing all 47 aboard in what remains one of the deadliest aviation accidents on that date. More recently, from March 31 to April 6, 2025, a multi-day storm system brought tornadoes, heavy rains, and flash flooding to the central and southern U.S., resulting in at least 18 confirmed deaths across states including Tennessee (10 fatalities), Kentucky, and others. Causal factors included supercell thunderstorms producing EF2+ tornadoes with winds up to 160 mph in areas like Selmer, Tennessee, compounded by saturated soils leading to rapid river rises and inundation of low-lying regions.^[41][42]

Sports and cultural milestones

On April 6, 1896, the first modern Olympic Games opened in Athens, Greece, reviving the ancient athletic tradition discontinued since 393 AD under Roman Emperor Theodosius I. The event drew 241 athletes from 14 nations competing in 43 events across 10 sports, with American James Connolly winning the inaugural triple jump (also known as hop, step, and jump) with a distance of 13.71 meters to become the first Olympic champion of the modern era.^[43][44] In table tennis, World Table Tennis Day has been observed annually on April 6 since its inception in 2015 by the International Table Tennis Federation to emphasize the sport's contributions to social inclusion, health, and development, though the date shifted to April 23 starting in 2023 to align with federation milestones.^[45] A notable cultural milestone occurred on April 6, 1938, when DuPont chemist Roy Plunkett serendipitously discovered polytetrafluoroethylene (PTFE) during experiments with tetrafluoroethylene gas for refrigerants; the gas polymerized into a slippery, heat-resistant solid later trademarked as Teflon and patented in 1941 for applications in non-stick coatings and industrial uses.^[46]