The temperature on August 23, 1873 was about 15.2 °C. There was 6 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
January 17 » A group of Modoc warriors defeats the United States Army in the First Battle of the Stronghold, part of the Modoc War.
March 1 » E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
May 9 » Der Krach: Vienna stock market crash heralds the Long Depression.
May 20 » Levi Strauss and Jacob Davis receive a U.S. patent for blue jeans with copper rivets.
August 23 » Albert Bridge in Chelsea, London opens.
October 3 » Chief Kintpuash and companions are hanged for their part in the Modoc War of northern California.
Day of marriage May 11, 1907
The temperature on May 11, 1907 was between 10.7 °C and 26.6 °C and averaged 18.4 °C. There was 12.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
September 29 » The cornerstone is laid at the Cathedral Church of Saint Peter and Saint Paul (better known as Washington National Cathedral) in Washington, D.C.
October 27 » Fifteen people are killed in Hungary when a gunman opens fire on a crowd gathered at a church consecration.
November 7 » Jesús García saves the entire town of Nacozari de García by driving a burning train full of dynamite six kilometers (3.7 miles) away before it can explode.
December 19 » Two hundred thirty-nine coal miners die in the Darr Mine Disaster in Jacobs Creek, Pennsylvania.
December 21 » The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
Day of death May 15, 1948
The temperature on May 15, 1948 was between 8.1 °C and 22.7 °C and averaged 16.2 °C. There was 14.0 hours of sunshine (89%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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).
January 1 » The British railway network is nationalized to form British Railways.
January 17 » The Renville Agreement between the Netherlands and Indonesia is ratified.
February 4 » Ceylon (later renamed Sri Lanka) becomes independent within the British Commonwealth.
May 18 » The First Legislative Yuan of the Republic of China officially convenes in Nanking.
December 22 » Sjafruddin Prawiranegara established the Emergency Government of the Republic of Indonesia (Pemerintah Darurat Republik Indonesia, PDRI) in West Sumatra.
December 26 » Cardinal József Mindszenty is arrested in Hungary and accused of treason and conspiracy.
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/I55724.php : accessed October 9, 2026), "Ytje Helder (1873-1948)".
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