February 29 » King Alaungpaya founds Konbaung Dynasty, the last dynasty of Burmese monarchy.
April 20 » Start of Konbaung–Hanthawaddy War, a new phase in the Burmese Civil War (1740–57).
June 15 » Benjamin Franklin proves that lightning is electricity (traditional date, the exact date is unknown).
September 2 » Great Britain, along with its overseas possessions, adopts the Gregorian calendar.
September 14 » The British Empire adopts the Gregorian calendar, skipping eleven days (the previous day was September 2).
Day of marriage May 9, 1784
The temperature on May 9, 1784 was about 12.0 °C. Wind direction mainly west. Weather type: zeer betrokken. Special wheather fenomena: noorderlicht. Source: KNMI
January 14 » American Revolutionary War: Ratification Day, United States - Congress ratifies the Treaty of Paris with Great Britain.
March 11 » The signing of the Treaty of Mangalore brings the Second Anglo-Mysore War to an end.
March 22 » The Emerald Buddha is moved with great ceremony to its current location in Wat Phra Kaew, Thailand.
June 4 » Élisabeth Thible becomes the first woman to fly in an untethered hot air balloon. Her flight covers four kilometres in 45 minutes, and reached 1,500 metres altitude (estimated).
August 23 » Western North Carolina (now eastern Tennessee) declares itself an independent state under the name of Franklin; it is not accepted into the United States, and only lasts for four years.
October 22 » Russia founds a colony on Kodiak Island, Alaska.
Day of burial December 3, 1789
The temperature on December 3, 1789 was about 4.0 °C. Wind direction mainly south-southwest. Weather type: zeer betrokken. Source: KNMI
January 23 » Georgetown College, the first Catholic university in the United States, is founded in Georgetown, Maryland (now a part of Washington, D.C.).
January 30 » Tây Sơn forces emerge victorious against Qing armies and liberate the capital Thăng Long.
March 4 » In New York City, the first Congress of the United States meets, putting the United States Constitution into effect. The United States Bill of Rights is written and proposed to Congress.
June 20 » Deputies of the French Third Estate take the Tennis Court Oath.
July 10 » Alexander Mackenzie reaches the Mackenzie River delta.
July 15 » Gilbert du Motier, Marquis de Lafayette, is named by acclamation Colonel General of the new National Guard of Paris.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I274861.php : accessed March 17, 2026), "Machtildis Pijpers (1752-1789)".
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