1828 – Gioachino Rossini’s opera “Le Comte Ory” premieres in Paris
1920 – First US commercial radio station, 8MK (WWJ) in Detroit, begins daily broadcasting
1953 – Russia publicly acknowledges hydrogen bomb test detonation
1972 – The USSR performs an underground nuclear test
1977 – NASA launches Voyager 2 towards Jupiter and Saturn, later reaching Uranus and Neptune
1990 – Iraq moves Western hostages to military installations as human shields
1995 – Indians’ José Mesa sets a record with his 37th consecutive save
2009 – 12th Athletics World Championships: Usain Bolt wins 200m