18 June 1778 June 17, 2022 Author: Staff American Revolutionary War: The British Army abandons Philadelphia. Famous Words of Inspiration..."What we obtain too cheap, we esteem too lightly." Thomas Paine — Click here for more from Thomas Paine Related posts: 29 December 1778 30 June 1905 30 June 1905 20 March 1916 25 November 1915 17 October 1933 6 July 1779 2 August 1939 26 September 1905 2 August 1939 Categories: History Tags: 1778, 18 June