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.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage April 25, 1919
The temperature on April 25, 1919 was between 2.1 °C and 9.9 °C and averaged 6.3 °C. There was 0.1 mm of rain. There was 3.4 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 17 » The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
June 4 » Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.
June 15 » John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
December 1 » Lady Astor becomes the first female Member of Parliament to take her seat in the House of Commons of the United Kingdom. (She had been elected to that position on November 28.)
Day of death June 18, 1981
The temperature on June 18, 1981 was between 9.2 °C and 13.0 °C and averaged 10.9 °C. There was -0.1 mm of rain. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 19 » Iran hostage crisis: United States and Iranian officials sign an agreement to release 52 American hostages after 14 months of captivity.
March 11 » Hundreds of students protest in the University of Pristina in Kosovo, then part of Yugoslavia, to give their province more political rights. The protests then became a nationwide movement.
September 15 » The John Bull becomes the oldest operable steam locomotive in the world when the Smithsonian Institution operates it under its own power outside Washington, D.C.
September 18 » The Assemblée Nationale votes to abolish capital punishment in France.
November 11 » Antigua and Barbuda joins the United Nations.
December 11 » El Mozote massacre: Armed forces in El Salvador kill an estimated 900 civilians in an anti-guerrilla campaign during the Salvadoran Civil War.
When copying data from this family tree, please include a reference to the origin: J.H. Wolf, "Family tree Wolf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wolf/I331.php : accessed February 3, 2026), "Jacobus Johannes Wolf (1898-1981)".
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