The first pieces of the Berlin Wall were dismantled, starting at Brandenburg Gate.
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Adolf Hitler and Eva Braun got married in Berlin, Germany.
Legendary country musician Willie Nelson held a two-day music concert for his 90th birthday party.
Prince William and Kate Middleton tied the knot.
The US Army freed 32,000 concentration camp prisoners in Dachau, Germany.
The Simpson's 636th episode aired, making it the longest episode count of any TV series in history.