Familiefoto familie Holtslag (jaartal onbekend, ongeveer 1939)Voorste rij vlnr: Maria Elizabeth Slotemaker, N.N., Hendrik Holtslag sr en zijn vrouw Jans Slotemaker, Grietje te Napel, Simon van Veldhuizen, N.N.. Middelste rij vlnr: Marie van Waveren,
Ancestors (and descendant) of Henk Hendrik Holtslag
The temperature on December 16, 1890 was about -11.7 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. Source: KNMI
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
July 1 » Canada and Bermuda are linked by telegraph cable.
August 7 » Anna Månsdotter became the last woman to be executed in Sweden for the 1889 Yngsjö murder.
September 12 » Salisbury, Rhodesia, is founded.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of marriage May 10, 1917
The temperature on May 10, 1917 was between 3.5 °C and 20.4 °C and averaged 13.6 °C. There was 9.8 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
Day of death December 7, 1961
The temperature on December 7, 1961 was between -1.1 °C and 3.6 °C and averaged 0.8 °C. There was 1.3 mm of rain during 0.3 hours. There was 4.7 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 11 » The trial of Adolf Eichmann begins in Jerusalem.
May 9 » FCC Chairman Newton N. Minow gives his Wasteland Speech.
May 14 » Civil rights movement: A white mob twice attacks a Freedom Riders bus near Anniston, Alabama, before fire-bombing the bus and attacking the civil rights protesters who flee the burning vehicle.
August 1 » U.S. Defense Secretary Robert McNamara orders the creation of the Defense Intelligence Agency (DIA), the nation's first centralized military espionage organization.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
When copying data from this family tree, please include a reference to the origin: Rob Slotemaker, "Family tree Slotemaker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slotemaker/I61.php : accessed February 18, 2026), "Henk Hendrik Holtslag (1890-1961)".
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