1952 – US minesweeper Hobson rams aircraft carrier Wasp, kills 176
1954 – “Seven Samurai”, Japanese film directed by Akira Kurosawa, starring Toshiro Mifune, is released
1954 – Mass trials of Jonas Salk’s anti-polio vaccine begin; the first shot is delivered in Fairfax County, Virginia; more than 443,000 children receive shots over three months
1954 – Far Eastern Affairs conference opens in Geneva
1957 – Jamestown, Virginia 350th Anniversary Festival opens
1961 – French paratroopers’ revolt suppressed in Algeria
1961 – Roger Maris hits 1st of 61 homers in 1961
1964 – Tanganyika and Zanzibar form The United Republic of Tanganyika and Zanzibar
1974 – Landslide in Huancavelica Province Peru creates a natural dam
1982 – Argentina surrenders to Great Britain on South Georgia Island, near the Falkland Islands