The temperature on September 14, 1909 was between 10.7 °C and 17.0 °C and averaged 13.8 °C. There was 5.8 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
April 11 » The city of Tel Aviv is founded.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
Day of marriage December 18, 1934
The temperature on December 18, 1934 was between 2.8 °C and 7.9 °C and averaged 5.4 °C. There was 12.5 mm of rain during 4.2 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 24 » United States Congress passes the Tydings-McDuffie Act, allowing the Philippines to become a self-governing commonwealth.
June 19 » The Communications Act of 1934 establishes the United States' Federal Communications Commission (FCC).
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
July 20 » Labor unrest in the U.S.: Police in Minneapolis fire upon striking truck drivers, during the Minneapolis Teamsters Strike of 1934, killing two and wounding sixty-seven.
September 8 » Off the New Jersey coast, a fire aboard the passenger liner SSMorro Castle kills 137 people.
Day of death September 12, 1974
The temperature on September 12, 1974 was between 10.1 °C and 22.6 °C and averaged 16.5 °C. There was 1.9 mm of rain during 2.3 hours. There was 3.7 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 6 » In response to the 1973 oil crisis, daylight saving time commences nearly four months early in the United States.
March 5 » Yom Kippur War: Israeli forces withdraw from the west bank of the Suez Canal.
May 17 » The Troubles: Thirty-three civilians are killed and 300 injured when the Ulster Volunteer Force (UVF) detonates four car bombs in Dublin and Monaghan, Republic of Ireland.
July 20 » Turkish invasion of Cyprus: Forces from Turkey invade Cyprus after a coup d'état, organised by the dictator of Greece, against president Makarios.
August 1 » Cyprus dispute: The United Nations Security Council authorizes the UNFICYP to create the "Green Line", dividing Cyprus into two zones.
September 8 » Watergate scandal: US President Gerald Ford signs the pardon of Richard Nixon for any crimes Nixon may have committed while in office.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I19560.php : accessed March 16, 2026), "Johannes Gerhardus Ehlers (1909-1974)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.