The temperature on May 20, 1787 was about 11.0 °C. Wind direction mainly east. Weather type: helder. Special wheather fenomena: noorderlicht. Source: KNMI
January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
June 20 » Oliver Ellsworth moves at the Federal Convention to call the government the 'United States'.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
September 17 » The United States Constitution is signed in Philadelphia.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
Day of death January 9, 1790
The temperature on January 9, 1790 was about 3.0 °C. Wind direction mainly south-southeast. Weather type: betrokken mist. Source: KNMI
January 8 » George Washington delivers the first State of the Union address in New York City.
March 4 » France is divided into 83 départements, cutting across the former provinces in an attempt to dislodge regional loyalties based on ownership of land by the nobility.
July 14 » French Revolution: Citizens of Paris celebrate the unity of the French people and the national reconciliation in the Fête de la Fédération.
September 25 » Four Great Anhui Troupes introduce Anhui opera to Beijing in honor of the Qianlong Emperor's eightieth birthday.
November 1 » Edmund Burke publishes Reflections on the Revolution in France, in which he predicts that the French Revolution will end in a disaster.
December 17 » The Aztec calendar stone is discovered at El Zócalo, Mexico City.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I8524.php : accessed March 7, 2026), "Helena Roelofsen (-1790)".
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