February 6 » New York became the third state to ratify the Articles of Confederation.
August 26 » The first recorded ascent of Triglav, the highest mountain in Slovenia.
August 29 » American Revolutionary War: British and American forces battle indecisively at the Battle of Rhode Island.
September 7 » American Revolutionary War: France invades Dominica in the British West Indies, before Britain is even aware of France's involvement in the war.
November 26 » In the Hawaiian Islands, Captain James Cook becomes the first European to visit Maui.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
Day of death April 11, 1780
The temperature on April 11, 1780 was about 5.0 °C. There was 70 mm of rainWind direction mainly south east. Weather type: betrokken regen. Source: KNMI
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
August 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
When copying data from this family tree, please include a reference to the origin: Theo van den Bogaard, "Family tree Janssen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-janssen/I993.php : accessed February 16, 2026), "Adriana Bacx (-1780)".
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