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 October 3, 1773
The temperature on October 3, 1773 was about 15.0 °C. There was 4 mm of rainWind direction mainly south-southwest. Weather type: donker omtrent helder. Source: KNMI
January 1 » The hymn that became known as "Amazing Grace", then titled "1 Chronicles 17:16–17" is first used to accompany a sermon led by John Newton in the town of Olney, Buckinghamshire, England.
January 17 » Captain James Cook leads the first expedition to sail south of the Antarctic Circle.
May 10 » The Parliament of Great Britain passes the Tea Act, designed to save the British East India Company by reducing taxes on its tea and granting it the right to sell tea directly to North America. The legislation leads to the Boston Tea Party.
June 1 » Wolraad Woltemade rescues 14 sailors at the Cape of Good Hope from the sinking ship De Jonge Thomas by riding his horse into the sea seven times. He drowned on his eighth attempt.
June 17 » Cúcuta, Colombia, is founded by Juana Rangel de Cuéllar.
October 12 » America's first insane asylum opens.
Day of burial April 30, 1789
The temperature on April 30, 1789 was about 9.0 °C. Wind direction mainly north-northeast. Weather type: omtrent betrokken regen. Source: KNMI
April 1 » In New York City, the United States House of Representatives achieves its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first Speaker.
April 30 » On the balcony of Federal Hall on Wall Street in New York City, George Washington takes the oath of office to become the first elected President of the United States.
July 15 » Gilbert du Motier, Marquis de Lafayette, is named by acclamation Colonel General of the new National Guard of Paris.
August 4 » France: Members of the National Constituent Assembly take an oath to end feudalism and abandon their privileges.
September 26 » George Washington appoints Thomas Jefferson the first United States Secretary of State.
November 26 » A national Thanksgiving Day is observed in the United States as proclaimed by President George Washington at the request of Congress.
When copying data from this family tree, please include a reference to the origin: Jean Wasserman, "Family tree Wasserman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wasserman/I6281.php : accessed January 7, 2026), "Simon Dassen (-1789)".
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