Wikipedia:Selected anniversaries/July 7
July 7: Independence Day in the Solomon Islands (1978); Tanabata in Japan; Ivan Kupala Day in Russia and Ukraine.
- 1798 – The Quasi-War, an undeclared war fought entirely at sea, began after the United States rescinded their treaties with France.
- 1807 – Tsar Alexander I of Russia and Napoleon I of France signed the first agreement of the Treaties of Tilsit, ending the War of the Fourth Coalition.
- 1846 – American forces led by Commodore John D. Sloat (pictured) occupied Monterey and Yerba Buena, beginning the annexation of California.
- 1937 – In the Marco Polo Bridge Incident, a battle marking the beginning of the Second Sino-Japanese War, the Empire of Japan's Imperial Japanese Army defeated the Republic of China's National Revolutionary Army on Beijing's Marco Polo Bridge.
- 1985 – At the age of 17, tennis player Boris Becker defeated Kevin Curren to become the first German, the first unseeded player, and the youngest-ever to win the men's singles title at Wimbledon.