1926 – Ford factory workers get 40-hour week
http://www.history.com/this-day-in-history/ford-factory-workers-get-40-hour-week
1931 – Empire State Building dedicated
http://www.history.com/this-day-in-history/empire-state-building-dedicated
1960 – American U-2 spy plane shot down
http://www.history.com/this-day-in-history/american-u-2-spy-plane-shot-down
1963 – An American tops Everest
http://www.history.com/this-day-in-history/an-american-tops-everest
1991 – Rickey Henderson breaks stolen base record
http://www.history.com/this-day-in-history/rickey-henderson-breaks-stolen-base-record
2003 – Record-breaking tornado wave begins
http://www.history.com/this-day-in-history/record-breaking-tornado-wave-begins
