March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of death September 21, 1988
The temperature on September 21, 1988 was between 11.0 °C and 17.1 °C and averaged 13.4 °C. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 29 » Svend Robinson becomes the first member of the House of Commons of Canada to come out as gay.
March 6 » Three Provisional Irish Republican Army volunteers are shot dead by the SAS in Gibraltar in Operation Flavius.
March 16 » Halabja chemical attack: The Kurdish town of Halabja in Iraq is attacked with a mix of poison gas and nerve agents on the orders of Saddam Hussein, killing 5,000 people and injuring about 10,000 people.
June 1 » European Central Bank is founded in Brussels.
July 3 » The Fatih Sultan Mehmet Bridge in Istanbul, Turkey is completed, providing the second connection between the continents of Europe and Asia over the Bosphorus.
September 12 » Hurricane Gilbert devastates Jamaica; it turns towards Mexico's Yucatán Peninsula two days later, causing an estimated $5 billion in damage.
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/I18048.php : accessed October 17, 2026), "Hendrik Postma (1902-1988)".
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