February 13 » Treaty of Giyanti signed by VOC, Pakubuwono III and Prince Mangkubumi. The treaty divides the Javanese kingdom of Mataram into 2: Sunanate of Surakarta and Sultanate of Yogyakarta.
April 2 » Commodore William James captures the Maratha fortress of Suvarnadurg on west coast of India.
April 15 » Samuel Johnson's A Dictionary of the English Language is published in London.
June 16 » French and Indian War: The French surrender Fort Beauséjour to the British, leading to the expulsion of the Acadians.
July 9 » The Braddock Expedition is soundly defeated by a smaller French and Native American force in its attempt to capture Fort Duquesne in what is now downtown Pittsburgh.
November 1 » In Portugal, Lisbon is totally devastated by a massive earthquake and tsunami, killing between 60,000 and 90,000 people.
Day of marriage April 30, 1780
The temperature on April 30, 1780 was about 12.0 °C. Wind direction mainly southwest. Weather type: betrokken regen. Source: KNMI
March 17 » American Revolution: George Washington grants the Continental Army a holiday "as an act of solidarity with the Irish in their fight for independence".
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
October 16 » American Revolutionary War: The British-led Royalton raid is the last Native American raid on New England.
November 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I17836.php : accessed February 5, 2026), "Joannes Brekelmans (1755-????)".
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