The temperature on December 10, 1889 was about 3.7 °C. There was 1 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage August 13, 1910
The temperature on August 13, 1910 was between 11.1 °C and 18.4 °C and averaged 15.4 °C. There was 2.3 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death April 21, 1972
The temperature on April 21, 1972 was between 2.4 °C and 13.1 °C and averaged 7.5 °C. There was -0.1 mm of rain. There was 12.5 hours of sunshine (88%). 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 April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 20 » Pakistan launched its nuclear weapons program, a few weeks after its defeat in the Bangladesh Liberation War, as well as the Indo-Pakistani War of 1971.
February 15 » Sound recordings are granted U.S. federal copyright protection for the first time.
July 8 » Israeli Mossad assassinate Palestinian writer Ghassan Kanafani.
November 10 » Southern Airways Flight 49 from Birmingham, Alabama is hijacked and, at one point, is threatened with crashing into the nuclear installation at the Oak Ridge National Laboratory. After two days, the plane lands in Havana, Cuba, where the hijackers are jailed by Fidel Castro.
December 8 » United Airlines Flight 553, a Boeing 737, crashes after aborting its landing attempt at Chicago Midway International Airport, killing 45. This is the first-ever loss of a Boeing 737.
December 30 » Vietnam War: The United States halts heavy bombing of North Vietnam.
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/I179265.php : accessed October 25, 2026), "Ebeltje Helmholt (1889-1972)".
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