Legendary country musician Willie Nelson held a two-day music concert for his 90th birthday party.
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In the Los Angeles Public Library, a fire broke out, destroying 400,000 books.
The first pieces of the Berlin Wall were dismantled, starting at Brandenburg Gate.
Prince William and Kate Middleton tied the knot.
British Lieutenant James Cook became the first European to reach Australia's east coast.
Adolf Hitler and Eva Braun got married in Berlin, Germany.
