The temperature on January 15, 1887 was about -4.5 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 88%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
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 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage May 6, 1911
The temperature on May 6, 1911 was between 2.7 °C and 13.9 °C and averaged 8.6 °C. There was 12.1 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
Day of death July 25, 1948
The temperature on July 25, 1948 was between 7.9 °C and 24.3 °C and averaged 17.8 °C. There was 14.1 hours of sunshine (89%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
June 26 » Cold War: The first supply flights are made in response to the Berlin Blockade.
July 8 » The United States Air Force accepts its first female recruits into a program called Women in the Air Force (WAF).
July 31 » USSNevada is sunk by an aerial torpedo after surviving hits from two atomic bombs (as part of post-war tests) and being used for target practice by three other ships.
August 23 » World Council of Churches is formed by 147 churches from 44 countries.
October 29 » Israeli-Palestinian conflict: Safsaf massacre: Israeli soldiers capture the Palestinian village of Safsaf in the Galilee; after, between 52 and 64 villagers are massacred by the IDF.
December 22 » Sjafruddin Prawiranegara established the Emergency Government of the Republic of Indonesia (Pemerintah Darurat Republik Indonesia, PDRI) in West Sumatra.
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/I14357.php : accessed October 20, 2026), "Hitje Merkus (1887-1948)".
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