January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 14 » The Exposition Universelle begins.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 14 » Hawaii becomes a United States territory.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
Day of marriage May 7, 1927
The temperature on May 7, 1927 was between 9.8 °C and 23.6 °C and averaged 16.9 °C. There was 12.9 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 7 » The first long-distance public television broadcast (from Washington, D.C., to New York City, displaying the image of Commerce Secretary Herbert Hoover).
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
July 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
December 2 » Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.
Day of death May 9, 1975
The temperature on May 9, 1975 was between 9.9 °C and 17.9 °C and averaged 13.2 °C. There was -0.1 mm of rain. There was 5.0 hours of sunshine (33%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
March 27 » Construction of the Trans-Alaska Pipeline System begins.
April 28 » General Cao Văn Viên, chief of the South Vietnamese military, departs for the US as the North Vietnamese Army closed in on victory.
May 10 » Sony introduces the Betamax videocassette recorder.
June 5 » The Suez Canal opens for the first time since the Six-Day War.
July 17 » Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
August 4 » The Japanese Red Army takes more than 50 hostages at the AIA Building housing several embassies in Kuala Lumpur, Malaysia. The hostages include the U.S. consul and the Swedish Chargé d'affaires. The gunmen win the release of five imprisoned comrades and fly with them to Libya.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I55291.php : accessed March 6, 2026), "Lambert Popken (1900-1975)".
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