Klára Dán von Neumann died in San Diego, California, United States. Her death marked the end of a remarkable life and career in mathematics and computer science.

The first electronic stored-program computer, the Small-Scale Experimental Machine (SSEM), nicknamed 'Baby', ran its first program at the University of Manchester. This event highlights the early days of stored-program computers, the type of technology Klára Dán von Neumann was working on.