Important Historical Events of the year 1778, Year 1778 in History

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List of 1778 Major News Events in History, Most Important Historical Events in 1778

What happened in the year 1778?

Date	Event
January 18, 1778	James Cook is the first known European to discover the Hawaiian Islands, which he names the "Sandwich Islands".
February 6, 1778	American Revolutionary War: In Paris the Treaty of Alliance and the Treaty of Amity and Commerce are signed by the United States and France signaling official recognition of the new republic.
February 6, 1778	New York became the third state to ratify the Articles of Confederation.
February 9, 1778	Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
February 14, 1778	The United States flag is formally recognized by a foreign naval vessel for the first time, when French Admiral Toussaint-Guillaume Picquet de la Motte renders a nine gun salute to USS Ranger, commanded by John Paul Jones.
February 23, 1778	American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania, to help to train the Continental Army.
May 12, 1778	Heinrich XI, count of the Principality of Reuss-Greiz, is elevated to Prince by Joseph II, Holy Roman Emperor.
June 18, 1778	American Revolutionary War: The British Army abandons Philadelphia.
June 28, 1778	American Revolutionary War: The American Continentals engage the British in the Battle of Monmouth Courthouse resulting in standstill and British withdrawal under cover of darkness.
July 3, 1778	American Revolutionary War: Iroquois allied to Britain kill 360 people in the Wyoming Valley massacre.
July 4, 1778	American Revolutionary War: U.S. forces under George Clark capture Kaskaskia during the Illinois campaign.
July 10, 1778	American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
July 27, 1778	American Revolution: First Battle of Ushant: British and French fleets fight to a standoff.
July 28, 1778	Constitution of the province of Cantabria ratified at the Assembly Hall in Bárcena la Puente, Reocín, Spain.
August 3, 1778	The theatre La Scala in Milan is inaugurated with the première of Antonio Salieri's Europa riconosciuta.
August 21, 1778	American Revolutionary War: British forces begin besieging the French outpost at Pondichéry.
August 26, 1778	The first recorded ascent of Triglav, the highest mountain in Slovenia.
August 29, 1778	American Revolutionary War: British and American forces battle indecisively at the Battle of Rhode Island.
September 7, 1778	American Revolutionary War: France invades Dominica in the British West Indies, before Britain is even aware of France's involvement in the war.
September 17, 1778	The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
September 19, 1778	The Continental Congress passes the first United States federal budget.
November 11, 1778	Cherry Valley massacre: Loyalists and Seneca Indian forces attack a fort and village in eastern New York during the American Revolutionary War, killing more than forty civilians and soldiers.
November 26, 1778	In the Hawaiian Islands, Captain James Cook becomes the first European to visit Maui.
December 15, 1778	American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
December 29, 1778	American Revolutionary War: Three thousand British soldiers under the command of Lieutenant Colonel Archibald Campbell capture Savannah, Georgia.