Dashed left edge = started before April 1957 ·
Dashed right edge = ongoing beyond April 1957
Events in April 1957 4
19571957 World Snooker ChampionshipJohn Pulman First TitleWinner: John Pulman; Runner-up: James Jackie Rea. Score: 39–34.
1957 – presentDonald TuskPrime MinisterCurrent Prime Minister and former President of the European Council.
1957Suez Canal reopens to shippingCanal cleared after the 1956 Suez CrisisThe Suez Canal reopened to international shipping after being cleared of ships sunk during the 1956 Suez Crisis. A United Nations salvage operation removed dozens of wrecks blocking the waterway.
1957 – 2014L'Wren Scott (1957-2014)Died 17 March 2014, aged 49L'Wren Scott, the American fashion designer and longtime partner of Rolling Stones singer Mick Jagger, died by suicide in her New York apartment. She had built her own fashion label after a career as a stylist to celebrities. Her death came amid reported financial difficulties with her fashion business.