What happened April 1955 AD

From April to June 1955, Diệm eliminated any political opposition in the south by launching military operations against two religious groups: the Cao Đài and Hòa Hảo of Ba Cụt. The campaign also focused on the Bình Xuyên organized crime group, which was allied with members of the communist party secret police and had some military elements. As broad-based opposition to his harsh tactics mounted, Diệm increasingly sought to blame the communists.

By April 1955, Rákosi had Nagy discredited and removed from office.

Churchill retired as Prime Minister in April 1955 and was succeeded by Eden.

Moonraker novel was published. Moonraker is the third novel by the British author Ian Fleming to feature his fictional British Secret Service agent James Bond. It was published by Jonathan Cape on 5 April 1955 and featured a cover design conceived by Fleming.

The U.S. government prevented Du Bois from attending the 1955 Bandung Conference in Indonesia.

Einstein died in Princeton Hospital early the next morning at the age of 76, having continued to work until near the end.