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The Ellipse
The Ellipse, sometimes referred to as President's Park South, is a 52-acre (21 ha) park south of the White House fence and north of Constitution Avenue and the National Mall in Washington, D.C., United States. The Ellipse is also the name of the five-furlong (1.0 km) circumference street within the park. The entire park, which features monuments, is open to the public and is part of President's Park. The Ellipse is the location for many annual events.
From a mathematical point of view, the Ellipse is truly an ellipse. Its dimensions are 1,058 feet (322 m) for its major axis (east-west) and 903 feet (275 m) for its minor axis (north-south). Its foci are 552 feet (168 m) apart, each 276 feet (84 m) from the center of the ellipse (east and west). Its eccentricity is thus 552/1058 = 0.52.
In 1791, the first plan for the park was drawn up by Pierre Charles L'Enfant. The Ellipse was known as "the White Lot" due to the whitewashed wooden fence that enclosed the park.
During the American Civil War, the grounds of the Ellipse and the incomplete Washington Monument were used as corrals for horses, mules, and cattle, and as camp sites for Union troops.
In 1860, the Ellipse was the regular playing field for the Washington Senators and was the site of the first game between the Senators and the Washington Nationals. In 1865, the Nationals hosted a baseball tournament with the Philadelphia Athletics, for which viewing stands were built and admission was charged. Black baseball teams such as the Washington Mutuals and the Washington Alerts often used the White Lot until Blacks were banned from using the Ellipse in 1874.
In 1867, the Army Corps of Engineers began work on the Ellipse. The park was landscaped in 1879, and American elms were planted around the existing portion of the roadway. In 1880, grading began and the Ellipse was created from what had been a common dump. In 1894, the Ellipse roadway was lit with electric lamps.
In the 1890s, Congress authorized the use of the Ellipse grounds by special groups, including religious meetings and military encampments. As late as 1990, baseball fields and tennis courts existed in the park. Sporting events and demonstrations are still held on the Ellipse. In 1933, President's Park South came under the jurisdiction of the National Park Service.
On Christmas Eve 1923, President Calvin Coolidge started an unbroken tradition by lighting the first National Christmas Tree. The first tree, a cut balsam fir, was placed on the Ellipse by the District of Columbia Public Schools. From 1924 to 1953, live trees in locations around and on the White House grounds were lit on Christmas Eve. In 1954, the ceremony returned to the Ellipse and with an expanded focus: the "Christmas Pageant of Peace."
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The Ellipse AI simulator
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The Ellipse
The Ellipse, sometimes referred to as President's Park South, is a 52-acre (21 ha) park south of the White House fence and north of Constitution Avenue and the National Mall in Washington, D.C., United States. The Ellipse is also the name of the five-furlong (1.0 km) circumference street within the park. The entire park, which features monuments, is open to the public and is part of President's Park. The Ellipse is the location for many annual events.
From a mathematical point of view, the Ellipse is truly an ellipse. Its dimensions are 1,058 feet (322 m) for its major axis (east-west) and 903 feet (275 m) for its minor axis (north-south). Its foci are 552 feet (168 m) apart, each 276 feet (84 m) from the center of the ellipse (east and west). Its eccentricity is thus 552/1058 = 0.52.
In 1791, the first plan for the park was drawn up by Pierre Charles L'Enfant. The Ellipse was known as "the White Lot" due to the whitewashed wooden fence that enclosed the park.
During the American Civil War, the grounds of the Ellipse and the incomplete Washington Monument were used as corrals for horses, mules, and cattle, and as camp sites for Union troops.
In 1860, the Ellipse was the regular playing field for the Washington Senators and was the site of the first game between the Senators and the Washington Nationals. In 1865, the Nationals hosted a baseball tournament with the Philadelphia Athletics, for which viewing stands were built and admission was charged. Black baseball teams such as the Washington Mutuals and the Washington Alerts often used the White Lot until Blacks were banned from using the Ellipse in 1874.
In 1867, the Army Corps of Engineers began work on the Ellipse. The park was landscaped in 1879, and American elms were planted around the existing portion of the roadway. In 1880, grading began and the Ellipse was created from what had been a common dump. In 1894, the Ellipse roadway was lit with electric lamps.
In the 1890s, Congress authorized the use of the Ellipse grounds by special groups, including religious meetings and military encampments. As late as 1990, baseball fields and tennis courts existed in the park. Sporting events and demonstrations are still held on the Ellipse. In 1933, President's Park South came under the jurisdiction of the National Park Service.
On Christmas Eve 1923, President Calvin Coolidge started an unbroken tradition by lighting the first National Christmas Tree. The first tree, a cut balsam fir, was placed on the Ellipse by the District of Columbia Public Schools. From 1924 to 1953, live trees in locations around and on the White House grounds were lit on Christmas Eve. In 1954, the ceremony returned to the Ellipse and with an expanded focus: the "Christmas Pageant of Peace."