January 1 » John V is proclaimed King of Portugal and the Algarves in Lisbon.
January 16 » The Scottish Parliament ratifies the Act of Union, paving the way for the creation of Great Britain.
May 1 » The Act of Union joining England and Scotland to form the Kingdom of Great Britain takes effect.
August 20 » The first Siege of Pensacola comes to an end with the failure of the British to capture Pensacola, Florida.
October 22 » Four British naval vessels run aground on the Isles of Scilly because of faulty navigation. In response, the first Longitude Act is enacted in 1714.
October 28 » The 1707 Hōei earthquake causes more than 5,000 deaths in Japan.
Day of burial May 21, 1778
The temperature on May 21, 1778 was about 14.0 °C. Wind direction mainly west-northwest. Weather type: zeer betrokken. Source: KNMI
February 6 » 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 23 » American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania to help to train the Continental Army.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
September 19 » The Continental Congress passes the first United States federal budget.
November 11 » 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 » In the Hawaiian Islands, Captain James Cook becomes the first European to visit Maui.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I30966.php : accessed December 26, 2025), "Cornelia Cornelis Vroom (1707-1778)".
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