Example image of eyePlorer eyePlorer map for '1778 in the United States': 1778 United States Captain (nautical) January 18 Pacific Ocean Hawaiian Islands HMS Discovery (1774) HMS Resolution (1771) James Cook Kauai Oahu Articles of Confederation February 5 South Carolina American Revolutionary War February 6 France Paris Treaty of Alliance (1778) Treaty of Amity and Commerce (USA-France) February 23 Friedrich Wilhelm von Steuben Pennsylvania Valley Forge George Washington March 10 Frederick Gotthold Enslin Benedict Arnold June 24 May 30 Oath of allegiance Solar eclipse Texas Virginia Battle of Monmouth Continental Army Henry Clinton (1730–1795) June 28 Monmouth County, New Jersey New Jersey United Kingdom Battle of Wyoming Colony July 3 George Rogers Clark July 4 American Revolution Battle of Ushant (1778) July 27 Kingdom of Great Britain