April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage December 18, 1919
The temperature on December 18, 1919 was between 0.6 °C and 6.8 °C and averaged 4.3 °C. There was 3.9 mm of rain. 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.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
May 1 » German troops enter Munich to suppress the Bavarian Soviet Republic.
May 27 » The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
August 11 » Germany's Weimar Constitution is signed into law.
Day of death September 12, 1980
The temperature on September 12, 1980 was between 13.4 °C and 19.3 °C and averaged 15.9 °C. There was 1.3 mm of rain during 1.8 hours. There was 2.8 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
April 12 » The Americo-Liberian government of Liberia is violently deposed.
April 18 » The Republic of Zimbabwe (formerly Rhodesia) comes into being, with Canaan Banana as the country's first President. The Zimbabwean dollar replaces the Rhodesian dollar as the official currency.
May 13 » An F3 tornado hits Kalamazoo County, Michigan. President Jimmy Carter declares it a federal disaster area.
June 27 » The 'Ustica massacre': Itavia Flight 870 crashes in the sea while en route from Bologna to Palermo, Italy, killing all 81 on board.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
September 17 » After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.
When copying data from this family tree, please include a reference to the origin: Rik Köhler, "Family tree Köhler", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kohler/I9268.php : accessed January 25, 2026), "Maria Gerardine Eleonore "Marie" Salomonsz (1897-1980)".
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