Massachusetts became the first US state to legalize same-sex marriage.
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The diaries of Lord Byron were burned by six of the poet's friends.
The first Tim Hortons opened in Hamilton, Ontario, by NHL player Tim Horton.
The first televised baseball game was broadcasted on NBC, featuring Princeton defeating Colombia 2-1.
The first-ever color photo was taken.
NASA's SMS-1 satellite launched from Cape Canaveral atop a Delta rocket.
