“Harry Potter and the Half-Blood Prince” movie by J.K. Rowling was released.
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After an expedition heading North, the Russian navigator and captain, Alexei Chirikov, spotted Southeast Alaska and sent his men to explore.
King Charles II chartered the Royal Society in London, England.
President Jimmy Carter's brother Billy registered as a foreign agent in Libya.
The Battle of Grunwald began.
The first-ever international crewed space mission was jointly launched by the US and the USSR.
