January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death April 7, 1988
The temperature on April 7, 1988 was between 4.8 °C and 15.5 °C and averaged 9.2 °C. There was 6.9 hours of sunshine (52%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 20 » The Nagorno-Karabakh Autonomous Oblast votes to secede from Azerbaijan and join Armenia, triggering the Nagorno-Karabakh War.
April 14 » The USSSamuel B. Roberts strikes a mine in the Persian Gulf during Operation Earnest Will.
August 20 » "Black Saturday" of the Yellowstone fire in Yellowstone National Park
August 20 » The Troubles: Eight British soldiers are killed and 28 wounded when their bus is hit by an IRA roadside bomb in Ballygawley, County Tyrone.
November 15 » The first Fairtrade label, Max Havelaar, is launched in the Netherlands.
November 19 » Serbian communist representative and future Serbian and Yugoslav president Slobodan Milošević publicly declares that Serbia is under attack from Albanian separatists in Kosovo as well as internal treachery within Yugoslavia and a foreign conspiracy to destroy Serbia and Yugoslavia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I3202.php : accessed February 15, 2026), "Adriana Leonarda Gelens (1902-1988)".
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