In London, the Millenium Bridge closed for safety checks following large crowds, which caused the bridge to start swaying.
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The first class of students graduated from the United States Naval Academy.
The last episode of David Lynch's original Twin Peaks aired.
NASA's Explorer 49 was launched into Earth's orbit to research long-range radio waves within the Milky Way.
Italy declared war on France and Britain.
The US signed the Equal Pay Act to reduce the difference in pay between sexes.