“Harry Potter and the Half-Blood Prince” movie by J.K. Rowling was released.
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American action film 'Die Hard' was released in the US.
American romantic-comedy Wedding Crashers premiered.
Twitter was launched to the public.
Elton John's 'Honky Chateau' became his first #1 album in the US, which was a significant turning point in his career.
King Charles II chartered the Royal Society in London, England.
