1632: Galileo’s “Dialogue Concerning the Two Chief World Systems” is published
1774: British House of Lords rules authors do not have perpetual copyright
1797: The Last Invasion of Britain, launched by the French during the Revolutionary Wars, begins near Fishguard, Wales
1825: Russia & Britain establish Alaska-Canada boundary
1967: 25,000 US and South Vietnamese troops launch Operation Junction City against the Viet Cong. Largest US airborne assault since WWII.
Source: Onthisday.com
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