September 6

1522: Magellan's ship, Vittoria, returned to Spain after first round-the-world trip. 1766: John Dalton, known as one of the fathers of modern physical science and formulated the Atomic Theory, was born. 1857: Johann Schweigger, the physicist who invented the galvanometer, died. 1879: The Edison Telephony Company of London Ltd began operating the first public exchange. 1899: Carnation processed its first can of evaporated milk. 1901: Microwave pioneer Ernst Weber was born. 1908: Louis Essen, who invented the quartz crystal ring clock and the first practical atomic clock, was born. 1947: The aircraft carrier Midway test-fired a captured German V-2 rocket from its deck. 1952: Canadian television broadcasting began in Montreal. 1970: Arthur Herrington, designer of the famous Jeep, died. 1976: Soviet pilot Victor Belenko landed his MIG-25 in Tokyo and asked for political asylum in the United States. 1995: Baltimore Orioles shortstop Cal Ripken broke Lou Gehrig's record by playing his 2,13first consecutive game.