January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
March 6 » Bayer registers "Aspirin" as a trademark.
July 29 » The First Hague Convention is signed.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage February 9, 1926
The temperature on February 9, 1926 was between -1.3 °C and 0.7 °C and averaged -0.3 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 8 » Abdul-Aziz ibn Saud is crowned King of Hejaz.
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
November 11 » The United States Numbered Highway System is established.
Day of death February 28, 1973
The temperature on February 28, 1973 was between -2.6 °C and 4.2 °C and averaged 2.0 °C. There was -0.1 mm of rain. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
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.
July 5 » A boiling liquid expanding vapor explosion (BLEVE) in Kingman, Arizona, following a fire that broke out as propane was being transferred from a railroad car to a storage tank, kills eleven firefighters.
August 9 » Mars 7 is launched from the USSR.
October 6 » Egypt and Syria launch coordinated attacks against Israel, beginning the Yom Kippur War.
October 17 » OPEC imposes an oil embargo against countries they deem to have helped Israel in the Yom Kippur War.
November 1 » Watergate scandal: Leon Jaworski is appointed as the new Watergate Special Prosecutor.
December 24 » District of Columbia Home Rule Act is passed, allowing residents of Washington, D.C. to elect their own local government.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I3328.php : accessed February 15, 2026), "Dirk Martijn (1899-1973)".
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