January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 17 » The United States Navy Hospital Corps is established.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
Day of marriage December 1, 1917
The temperature on December 1, 1917 was between 4.6 °C and 8.6 °C and averaged 6.7 °C. There was 1.8 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 25 » Old Style date of the October Revolution in Russia.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death May 30, 1980
The temperature on May 30, 1980 was between 4.6 °C and 15.2 °C and averaged 11.0 °C. There was -0.1 mm of rain. There was 12.0 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 2 » Reports surface that the FBI is targeting allegedly corrupt Congressmen in the Abscam operation.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
August 2 » A bomb explodes at the railway station in Bologna, Italy, killing 85 people and wounding more than 200.
October 9 » Pope John Paul II greets the Dalai Lama during a private audience in Vatican City.
October 25 » Proceedings on the Hague Convention on the Civil Aspects of International Child Abduction conclude.
November 28 » Iran–Iraq War: Operation Morvarid: The bulk of the Iraqi Navy is destroyed by the Iranian Navy in the Persian Gulf. (Commemorated in Iran as Navy Day.)
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/I212723.php : accessed October 21, 2026), "Hendrik Jan Zijlstra (1898-1980)".
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