February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
February 27 » King George I of Greece survives an assassination attempt.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
Day of death April 6, 1968
The temperature on April 6, 1968 was between -2.0 °C and 9.0 °C and averaged 3.2 °C. There was 0.1 mm of rain. There was 10.1 hours of sunshine (76%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
April 3 » Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech. He was assassinated the next day.
April 4 » Apollo program: NASA launches Apollo 6.
April 20 » English politician Enoch Powell makes his controversial "Rivers of Blood" speech.
September 13 » Cold War: Albania leaves the Warsaw Pact.
October 14 » The 6.5 Mw Meckering earthquake shook the southwest portion of Western Australia with a maximum Mercalli intensity of IX (Violent), causing $2.2 million in damage and leaving 20–28 people injured.
December 11 » The Rolling Stones Rock and Roll Circus, featuring the Rolling Stones, Jethro Tull, the Who, Taj Mahal, Marianne Faithfull, and the Dirty Mac with Yoko Ono, is filmed in Wembley, London.
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/I133390.php : accessed October 18, 2026), "Berber Catharina Sipkema (1898-1968)".
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