April Revolution
The April Revolution (Korean: 4.19 혁명), also called the April 19 Revolution or April 19 Movement, were mass protests in South Korea against President Syngman Rhee and the First Republic from April 11 to 26, 1960, which led to Rhee's resignation. Protests opposing Rhee were started by student and labor groups in the southeastern port city of Masan on April 11.