1778 Anglo-French War (1778–1783) Emigration of Christians from the Crimea (1778) Papists Act 1778 1778 in the United States 1778 Alfvén Battle of Ushant (1778) Treaty of Alliance (1778) 1778 in sports John Murray (publisher, born 1778) HMS Hinchinbrook (1778) 1778 in Great Britain HMS Sartine (1778) USS Deane (1778) 1778 in Canada Mary O'Connell (1778–1836) French ship Annibal (1778) Thomas Fellowes (Royal Navy officer, born 1778) HMS Alexander (1778) 1778 in Russia List of shipwrecks in 1778 James Boswell (1778–1822) French frigate Amazone (1778) USS Alliance (1778) John Wynne (1720–1778) 1778 in Delaware James Halligan (1778–1806) Thomas Foley (1778–1822) 1778 Delaware gubernatorial election 1778 Connecticut gubernatorial …

election 1778 in Austria Whistleblower Protection Act of 1778 List of fellows of the Royal Society elected in 1778 James Grant (British Army officer, born 1778) HMS Helena (1778) 1778 Virginia gubernatorial election Charles Kemeys-Tynte (1778–1860) Tartar (1778 ship) Carleton's Raid 1778 Maryland gubernatorial election 1778 in Denmark 1778 in France List of ship launches in 1778 1778 in Ireland 1778 in Scotland 1778 in architecture

1778 in Sweden HMS Greenwich (1778) Mentor (1778 ship) 1778 in art War of 1778 North Carolina General Assembly of 1778 1778 North Carolina gubernatorial election 1778 English cricket season 1778 in Norway 1778 in literature 1778 in science 1778 in Wales 1778 Rhode Island gubernatorial election 1778 Vermont Republic gubernatorial election 1778 New Jersey gubernatorial election French frigate Junon (1778) 1778 South Carolina gubernatorial election Thomas Paget (MP for Leicestershire) List of acts of the Parliament of Great Britain from 1778 HMS Keppel (1778) HMS Alfred (1778) 1778 in paleontology HMS Resource (1778) HMS Actaeon (1778) Wesleyan Methodist Magazine Archibald Douglas