The temperature on August 11, 1867 was about 23.7 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 53%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 28 » Seventy years of Holy See–United States relations are ended by a Congressional ban on federal funding of diplomatic envoys to the Vatican and are not restored until January 10, 1984.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
May 29 » The Austro-Hungarian Compromise of 1867 ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire.
June 19 » Maximilian I of the Second Mexican Empire is executed by a firing squad in Querétaro, Querétaro.
August 28 » The United States takes possession of the (at this point unoccupied) Midway Atoll.
December 2 » At Tremont Temple in Boston, British author Charles Dickens gives his first public reading in the United States.
Day of marriage May 20, 1899
The temperature on May 20, 1899 was about 15.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 4 » The Philippine–American War begins with the Battle of Manila.
March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of death January 3, 1945
The temperature on January 3, 1945 was between 2.7 °C and 5.3 °C and averaged 4.2 °C. There was 1.8 mm of rain during 2.1 hours. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
March 17 » The Ludendorff Bridge in Remagen, Germany, collapses, ten days after its capture.
March 21 » World War II: Bulgaria and the Soviet Union successfully complete their defense of the north bank of the Drava River as the Battle of the Transdanubian Hills concludes.
March 31 » World War II: A defecting German pilot delivers a Messerschmitt Me 262A-1, the world's first operational jet-powered fighter aircraft, to the Americans, the first to fall into Allied hands.
April 9 » The United States Atomic Energy Commission is formed.
April 29 » World War II: Airdrops of food begin over German-occupied regions of the Netherlands.
August 21 » Physicist Harry Daghlian is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I128828.php : accessed February 15, 2026), "Pieter Helmus (1867-1945)".
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.