1778 Anglo-French War (1778–1783) 1778 in Canada 1778 in the United States Eviction of Christians from the Crimea (1778) Papists Act 1778 1778 Alfvén 1778 in France Battle of Ushant (1778) Treaty of Alliance (1778) 1778 in sports John Murray (publisher, born 1778) 1778 in Great Britain HMS Hinchinbrook (1778) HMS Sartine (1778) USS Deane (1778) Mary O'Connell (1778–1836) French ship Annibal (1778) 1778 in Russia HMS Alexander (1778) List of shipwrecks in 1778 Thomas Fellowes (Royal Navy officer, born 1778) James Boswell (1778–1822) John Wynne (1720–1778) 1778 in Delaware USS Alliance (1…

1778) French frigate Amazone (1778) James Halligan (1778–1806) 1778 Connecticut gubernatorial election Thomas Foley (1778–1822) 1778 Delaware gubernatorial election List of fellows of the Royal Society elected in 1778 1778 in Austria James Grant (British Army officer, born 1778) Whistleblower Protection Act of 1778 List of ship launches in 1778 HMS Helena (1778) 1778 Virginia gubernatorial election Charles Kemeys

-Tynte (1778–1860) 1778 Maryland gubernatorial election 1778 in Denmark 1778 in architecture 1778 in Ireland Tartar (1778 ship) Carleton's Raid 1778 in Scotland HMS Greenwich (1778) North Carolina General Assembly of 1778 1778 in Norway 1778 in art Mentor (1778 ship) 1778 in Sweden 1778 English cricket season War of 1778 1778 North Carolina gubernatorial election 1778 in literature 1778 in science 1778 Vermont Republic gubernatorial election 1778 Rhode Island gubernatorial election 1778 in paleontology 1778 New Jersey gubernatorial election HMS Alfred (1778) 1778 South Carolina gubernatorial election Wesleyan Methodist Magazine 1778 in Wales HMS Resource (1778) French frigate Junon (1778) HMS Actaeo