September 15, 1957
World Chess Championship 1957 — chess competition
1957 Cannes Film Festival — film festival edition
Miss Universe 1957 — 6th Miss Universe pageant
Anti-Rightist Campaign — Chinese political campaign under Mao Zedong
1957 African Cup of Nations — football tournament
1957 Formula One season — sports season
1957 South American Championship — international football competition
1957 World Women's Handball Championship — 1957 edition of the World Women's Handball Championship
EuroBasket 1957 — 1957 edition of the FIBA EuroBasket
1957 battle during the Algerian War of Independence