January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of death February 1, 1975
The temperature on February 1, 1975 was between 3.9 °C and 9.3 °C and averaged 7.0 °C. There was 4.0 hours of sunshine (44%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 8 » Frank Robinson manages the Cleveland Indians in his first game as major league baseball's first African American manager.
May 28 » Fifteen West African countries sign the Treaty of Lagos, creating the Economic Community of West African States.
June 25 » Mozambique achieves independence from Portugal.
September 14 » The first American saint, Elizabeth Ann Seton, is canonized by Pope Paul VI.
September 27 » The last use of capital punishment in Spain sparks worldwide protests.
November 11 » Australian constitutional crisis of 1975: Australian Governor-General Sir John Kerr dismisses the government of Gough Whitlam, appoints Malcolm Fraser as caretaker Prime Minister and announces a general election to be held in early December.
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/I109167.php : accessed February 8, 2026), "Pieter Haarsma (1899-1975)".
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