The temperature on August 12, 1912 was between 9.2 °C and 17.4 °C and averaged 13.1 °C. There was 5.9 mm of rain. There was 1.9 hours of sunshine (13%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 23 » The International Opium Convention is signed at The Hague.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
May 8 » Paramount Pictures is founded.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
Day of marriage June 30, 1938
The temperature on June 30, 1938 was between 9.8 °C and 18.6 °C and averaged 13.8 °C. There was 0.6 mm of rain during 0.6 hours. There was 3.7 hours of sunshine (22%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
April 10 » The 1938 German parliamentary election and referendum seeks approval for a single list of Nazi candidates and the recent annexation of Austria.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death March 5, 1960
The temperature on March 5, 1960 was between 2.2 °C and 9.8 °C and averaged 5.3 °C. There was 8.1 hours of sunshine (73%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 28 » The National Football League announced expansion teams for Dallas to start in the 1960 NFL season and Minneapolis-St. Paul for 1961 NFL season.
January 30 » The African National Party is founded in Chad, through the merger of traditionalist parties.
May 24 » Following the 1960 Valdivia earthquake, the largest ever recorded earthquake, Cordón Caulle begins to erupt.
August 7 » Ivory Coast becomes independent from France.
August 19 » Cold War: In Moscow, Russia, Soviet Union, downed American U-2 pilot Francis Gary Powers is sentenced to ten years imprisonment by the Soviet Union for espionage.
September 26 » In Chicago, the first televised debate takes place between presidential candidates Richard M. Nixon and John F. Kennedy.
Day of burial March 9, 1960
The temperature on March 9, 1960 was between -2.8 °C and 7.6 °C and averaged 3.3 °C. There was 3.8 hours of sunshine (33%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-southeast. Source: KNMI
January 21 » Little Joe 1B, a Mercury spacecraft, lifts off from Wallops Island, Virginia with Miss Sam, a female rhesus monkey on board.
April 21 » Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
June 30 » Belgian Congo gains independence as Republic of the Congo (Léopoldville).
September 5 » Poet Léopold Sédar Senghor is the first elected President of Senegal.
November 8 » John F. Kennedy is elected as the 35th President of the United States.
When copying data from this family tree, please include a reference to the origin: Jan Bomhof, "Stamreeks van Lucas Hendricks naar Jan Bomhof", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bomhof/I752.php : accessed January 30, 2026), "Hendrikus Johannes "Henk" Roeloffzen (1912-1960)".
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.