1937 – Hindenburg explodes in New Jersey
http://www.history.com/this-day-in-history/hindenburg-explodes-in-new-jersey
1954 – Roger Bannister breaks four-minutes mile
http://www.history.com/this-day-in-history/roger-bannister-breaks-four-minutes-mile
1991 – Harry Gant is oldest NASCAR winner — again
http://www.history.com/this-day-in-history/harry-gant-is-oldest-nascar-winner-again
1994 – English Channel tunnel opens
http://www.history.com/this-day-in-history/english-channel-tunnel-opens
2004 – Final episode of Friends airs on NBC
http://www.history.com/this-day-in-history/final-episode-of-friends-airs-on-nbc
2013 – Ohio kidnap victims rescued after years in captivity
http://www.history.com/this-day-in-history/ohio-kidnap-victims-rescued-after-years-in-captivity
