Queen Victoria opened the Royal Albert Hall in London.
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The Baltimore Colts NFL team relocated to Indianapolis, Indiana.
The 23rd Amendment was ratified, allowing residents of Washington, DC to vote in US elections.
NASA's Mariner 10 became the first spacecraft to reach Mercury.
China's famous Terracotta Army was uncovered by a group of farmers near Xi'an, China.
The Sunbeam 1000 HP broke the land speed record at the Daytona Beach race track in Florida.
