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.
June 8 » James Madison introduces twelve proposed amendments to the United States Constitution in Congress.
July 14 » Alexander Mackenzie finally completes his journey to the mouth of the great river he hoped would take him to the Pacific, but which turns out to flow into the Arctic Ocean. Later named after him, the Mackenzie is the second-longest river system in North America.
July 27 » The first U.S. federal government agency, the Department of Foreign Affairs, is established (it will be later renamed Department of State).
September 24 » The United States Congress passes the Judiciary Act, creating the office of the Attorney General and federal judiciary system and ordering the composition of the Supreme Court.
October 19 » John Jay is sworn in as the first Chief Justice of the United States.
Christening day March 29, 1789
The temperature on March 29, 1789 was about 1.0 °C. Wind direction mainly east. Weather type: omtrent helder. Special wheather fenomena: noorderlicht. Source: KNMI
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 14 » French Revolution: Citizens of Paris storm the Bastille.
August 28 » William Herschel discovers a new moon of Saturn: Enceladus.
September 2 » The United States Department of the Treasury is founded.
September 11 » Alexander Hamilton is appointed the first United States Secretary of the Treasury.
September 24 » The United States Congress passes the Judiciary Act, creating the office of the Attorney General and federal judiciary system and ordering the composition of the Supreme Court.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I25008.php : accessed October 9, 2026), "Pieter Durks van der Weg (1789-????)".
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