The temperature on July 1, 1906 was between 4.4 °C and 17.7 °C and averaged 12.6 °C. There was 0.3 mm of rain. There was 5.4 hours of sunshine (32%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 18 » Édouard de Laveleye forms the Belgian Olympic Committee in Brussels.
April 7 » Mount Vesuvius erupts and devastates Naples.
April 14 » The Azusa Street Revival opens and will launch Pentecostalism as a worldwide movement.
April 22 » The 1906 Intercalated Games, now recognized as part of the official Olympic Games, open in Athens.
September 1 » The International Federation of Intellectual Property Attorneys is established.
September 24 » U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation's first National Monument.
Day of marriage May 19, 1928
The temperature on May 19, 1928 was between 3.4 °C and 14.6 °C and averaged 9.0 °C. There was 4.5 mm of rain. There was 8.1 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
January 31 » Leon Trotsky is exiled to Alma-Ata.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
November 22 » The premier performance of Ravel's Boléro takes place in Paris.
December 13 » George Gershwin's An American in Paris is first performed.
December 17 » Indian revolutionaries Bhagat Singh, Sukhdev Thapar and Shivaram Rajguru assassinate British police officer James Saunders in Lahore, Punjab, to avenge the death of Lala Lajpat Rai at the hands of the police. The three were executed in 1931.
Day of death March 31, 1975
The temperature on March 31, 1975 was between -1.9 °C and 8.5 °C and averaged 3.6 °C. There was 0.3 mm of rain during 0.4 hours. There was 8.7 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 11 » Vietnam War: North Vietnamese and Viet Cong guerrilla forces establish control over Buôn Ma Thuột commune from the South Vietnamese army.
June 26 » Two FBI agents and a member of the American Indian Movement are killed in a shootout on the Pine Ridge Indian Reservation in South Dakota; Leonard Peltier is later convicted of the murders in a controversial trial.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
August 15 » Bangladeshi leader Sheikh Mujibur Rahman is killed along with most members of his family during a military coup.
September 28 » The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
October 30 » Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
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/I28660.php : accessed February 21, 2026), "Geert Hendrik Slim (1906-1975)".
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