The temperature on April 13, 1887 was about 4.1 °C. The air pressure was 10 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 85%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
Day of death May 24, 1971
The temperature on May 24, 1971 was between 9.5 °C and 15.7 °C and averaged 12.8 °C. There was 0.7 mm of rain during 0.9 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
February 8 » South Vietnamese ground troops launch an incursion into Laos to try to cut off the Ho Chi Minh trail and stop communist infiltration.
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
April 10 » Ping-pong diplomacy: In an attempt to thaw relations with the United States, China hosts the U.S. table tennis team for a week-long visit.
May 30 » Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I10776.php : accessed January 22, 2026), "Marthinus Johannes Petrus Dreyer (1887-1971)".
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.