The temperature on June 30, 1891 was about 23.5 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
January 31 » History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
May 15 » Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
Day of marriage October 14, 1920
The temperature on October 14, 1920 was between 2.7 °C and 16.5 °C and averaged 8.5 °C. There was 0.1 mm of rain. There was 4.9 hours of sunshine (45%). The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. 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.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
February 14 » The League of Women Voters is founded in Chicago.
June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
Day of death July 17, 1953
The temperature on July 17, 1953 was between 14.4 °C and 22.7 °C and averaged 17.8 °C. There was 4.0 mm of rain during 3.3 hours. There was 4.5 hours of sunshine (28%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » The play Waiting for Godot by Samuel Beckett receives its première in Paris.
January 31 » A North Sea flood causes over 1,800 deaths in the Netherlands and over 300 in the United Kingdom.
February 3 » The Batepá massacre occurred in São Tomé when the colonial administration and Portuguese landowners unleashed a wave of violence against the native creoles known as forros.
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
May 25 » Nuclear weapons testing: At the Nevada Test Site, the United States conducts its first and only nuclear artillery test.
June 8 » An F5 tornado hits Beecher, Michigan, killing 116, injuring 844, and destroying 340 homes.
When copying data from this family tree, please include a reference to the origin: T. Kurvers, "Family tree Kurvers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kurvers/I3671.php : accessed February 21, 2026), "Petrus Johannes de Greef (1891-1953)".
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