The Jaffa riots commence, initiating the 1936–1939 Arab revolt in Palestine.

The Jaffa riots of April 1936, refers to a spate of violent attacks on Jews that began on 19 April 1936 in Jaffa. A total of 14 Jews and 2 Arabs were killed during the riots. The event is often described as marking the start of the 1936–1939 Arab revolt in Palestine.

A popular uprising by Palestinian Arabs in Mandatory Palestine against the British administration, known as the Great Revolt, and later the Great Palestinian Revolt or the Palestinian Revolution, lasted from 1936 until 1939. The movement sought independence from British colonial rule and the end of British support for Zionism, including Jewish immigration and land sales to Jews.

April 19 is the 109th day of the year in the Gregorian calendar; 256 days remain until the end of the year.