January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 9 » The Davis Cup competition is established.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of marriage August 12, 1926
The temperature on August 12, 1926 was between 9.4 °C and 18.4 °C and averaged 14.1 °C. There was 7.8 mm of rain. There was 9.6 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
May 28 » The 28 May 1926 coup d'état: Ditadura Nacional is established in Portugal to suppress the unrest of the First Republic.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
September 8 » Germany is admitted to the League of Nations.
Day of death October 4, 1964
The temperature on October 4, 1964 was between 7.2 °C and 18.1 °C and averaged 11.2 °C. There was 8.9 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 13 » Anti-Muslim riots break out in Calcutta, resulting in 100 deaths.
January 16 » Hello, Dolly! opened on Broadway, beginning a run of 2,844 performances.
June 1 » Kenya becomes a republic with Jomo Kenyatta (1897 – 22 August 1978) as its first President (1964 to 1978).
June 10 » United States Senate breaks a 75-day filibuster against the Civil Rights Act of 1964, leading to the bill's passage.
October 12 » The Soviet Union launches the Voskhod 1 into Earth orbit as the first spacecraft with a multi-person crew, and the first flight without pressure suits.
November 21 » Second Vatican Council: The third session of the Roman Catholic Church's ecumenical council closes.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I23312.php : accessed February 9, 2026), "Wilhelm Verhaaf (1900-1964)".
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.