The 23rd Amendment was ratified, allowing residents of Washington, DC to vote in US elections.
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Europe's longest bridge officially opened in Lisbon, Portugal.
The black and white romantic comedy 'Some Like it Hot' was released to movie theaters in New York City.
NASA's Mariner 10 became the first spacecraft to reach Mercury.
Beethoven performed in person for the first time.
China's famous Terracotta Army was uncovered by a group of farmers near Xi'an, China.
