April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage March 5, 1920
The temperature on March 5, 1920 was between 2.5 °C and 13.3 °C and averaged 7.6 °C. There was 5.3 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
Day of death February 10, 1985
The temperature on February 10, 1985 was between -9.5 °C and -3.6 °C and averaged -6.7 °C. There was -0.1 mm of rain. There was 8.4 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 13 » A passenger train plunges into a ravine in Ethiopia, killing 428 in the worst railroad disaster in Africa.
February 19 » Iberia Airlines Boeing 727 crashes into Mount Oiz in Spain, killing 148.
March 3 » Arthur Scargill declares that the National Union of Mineworkers' national executive voted to end the longest-running industrial dispute in Great Britain without any peace deal over pit closures.
March 11 » Mikhail Gorbachev is elected to the position of General Secretary of the Communist Party of the Soviet Union making Gorbachev the USSR's de facto, and last, head of state.
December 14 » Wilma Mankiller takes office as the first woman elected to serve as Principal Chief of the Cherokee Nation.
December 20 » Pope John Paul II announces the institution of World Youth Day.
Day of burial February 14, 1985
The temperature on February 14, 1985 was between -11.2 °C and 0.6 °C and averaged -5.5 °C. There was -0.1 mm of rain. There was 7.7 hours of sunshine (78%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 31 » United States–Canada tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
June 17 » Space Shuttle program: STS-51-G mission: Space Shuttle Discovery launches carrying Sultan bin Salman bin Abdulaziz Al Saud, the first Arab and first Muslim in space, as a payload specialist.
July 7 » Boris Becker becomes the youngest player ever to win Wimbledon at age 17.
August 2 » Delta Air Lines Flight 191, a Lockheed L-1011 TriStar, crashes at Dallas/Fort Worth International Airport killing 137.
December 12 » Arrow Air Flight 1285, a McDonnell Douglas DC-8, crashes after takeoff in Gander, Newfoundland, killing all 256 people on board, including 236 members of the United States Army's 101st Airborne Division.
December 16 » Paul Castellano and Thomas Bilotti are shot dead on the orders of John Gotti, who assumes leadership of New York's Gambino crime family.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I81786.php : accessed February 3, 2026), "Hendrik Ahrens (1897-1985)".
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