On this day

February 20, 1931

Revisit the news, notable people, and historical moments connected to this date.

Portrait 1080 × 1920 PNG · created on your device

Filter by:

Headlines from February 20, 1931

Notable Births

John Milnor

1931John Milnor, American mathematician and academic[†]

John Willard Milnor is an American mathematician known for his work in differential topology, algebraic K-theory and low-dimensional holomorphic dynamical systems. Milnor is a distinguished professor at Stony Brook University and the only mathematician to have won the Fields Medal, the Wolf Prize, the Abel Prize and all three Steele prizes.

Historical Events

United States Congress

1931The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.[†]

The United States Congress is the legislative branch of the federal government of the United States. It is a bicameral legislature, including a lower body, the U.S. House of Representatives, and an upper body, the U.S. Senate. They both meet in the United States Capitol in Washington, D.C.

1931An anarchist uprising in Encarnación, Paraguay briefly transforms the city into a revolutionary commune.[†]

Anarchism is a political philosophy and movement that seeks to abolish all institutions that perpetuate authority, coercion, or hierarchy, primarily targeting the state and capitalism. Anarchism advocates for the replacement of the state with stateless societies and voluntary free associations. A historically left-wing movement, anarchism is usually described as the libertarian wing of the socialist movement.