Baseball By Onet1me0se 1845 Creation of Baseball 1849 Creation of Baseball cap 1880 Colour line enforced 1932 Babe Ruth called shot 1947 Jackie Robinson Drafted 1949 dodgers and Giants move to cali, and HOF Jackie 1964 Baseball at Tokyo Olympics 1964 Hank Aaron HR record 1975 Black Manager 1997 JR retired 42 2000 2000 creation of MLB 2003 MLB World Tour 2007 Barry Bonds HR record