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.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of death February 4, 1906
The temperature on February 4, 1906 was between -1.3 °C and 5.3 °C and averaged 1.5 °C. There was 0.3 mm of rain. There was 5.3 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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.
March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
May 22 » The Wright brothers are granted U.S. patent number 821,393 for their "Flying-Machine".
June 7 » Cunard Line's RMSLusitania is launched from the John Brown Shipyard, Glasgow (Clydebank), Scotland.
August 5 » Persian Constitutional Revolution: Mozaffar ad-Din Shah Qajar, King of Iran, agrees to convert the government to a constitutional monarchy.
September 5 » The first legal forward pass in American football is thrown by Bradbury Robinson of St. Louis University to teammate Jack Schneider in a 22–0 victory over Carroll College (Wisconsin).
October 11 » San Francisco sparks a diplomatic crisis between the United States and Japan by ordering segregated schools for Japanese students.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I310.php : accessed March 16, 2026), "Hendrik Lodewijk Kropf (1899-1906)".
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