Sunday, February 28, 1960 was the opposition Democratic Party's president and vice presidential candidate Chang Myon's campaign assembly in Daegu.
On that day, the authorities commanded students to go to school so as to prevent their attendance at the Democratic Party's campaign rally, an action that became the source of the Daegu Democracy Movement.
Now at this very moment, the students' red blood is racing, and our spirit is to fight until our last breath to destroy the injustice that betrays justice itself, and our appeal is for reason based in righteousness."
It was notably the main cause of the April Revolution, which provided the crucial opportunity to destroy the dictatorship and had an effect on the opposition movement for establishing diplomatic relations between Korea and Japan.
At this period, people were enraged with the Liberal Party's maladministration during incidents like Busan Government Crisis in 1952, the Constitutional Amendment rounding off to the nearest integer incident in 1954, The Accident of the Progressive Party, 1958, and concluded with the March 1960 South Korean presidential election.