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 More Historical Events »