The temperature on June 28, 1884 was about 20.8 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 62%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of marriage January 23, 1909
The temperature on January 23, 1909 was between -6.3 °C and -1.1 °C and averaged -4.4 °C. There was 5.7 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
August 24 » Workers start pouring concrete for the Panama Canal.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
Day of death January 13, 1961
The temperature on January 13, 1961 was between 1.7 °C and 5.1 °C and averaged 3.8 °C. There was 0.3 mm of rain during 0.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
January 17 » U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
November 12 » Terry Jo Duperrault is the sole survivor of a series of brutal murders aboard the Ketch Bluebelle.
Day of burial January 18, 1961
The temperature on January 18, 1961 was between -3.8 °C and 0.2 °C and averaged -2.2 °C. There was 5.5 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 12 » The Soviet Union launches Venera 1 towards Venus.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 20 » Cold War: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.
May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
December 15 » Adolf Eichmann is sentenced to death after being found guilty by an Israeli court of 15 criminal charges, including charges of crimes against humanity, crimes against the Jewish people, and membership of an outlawed organization.
When copying data from this family tree, please include a reference to the origin: Hermannus Wulff, "Family tree Wolf-Wulff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wolf-wulff/I768.php : accessed February 14, 2026), "Kornelus Wulff (1884-1961)".
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