The temperature on June 13, 1958 was between 5.2 °C and 15.7 °C and averaged 11.1 °C. There was 7.4 hours of sunshine (44%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 13 » The Moroccan Army of Liberation ambushes a Spanish patrol in the Battle of Edchera.
February 21 » The CND symbol, aka peace symbol, commissioned by the Direct Action Committee in protest against the Atomic Weapons Research Establishment, is designed and completed by Gerald Holtom.
May 27 » First flight of the McDonnell Douglas F-4 Phantom II.
June 17 » The Ironworkers Memorial Second Narrows Crossing, in the process of being built to connect Vancouver and North Vancouver (Canada), collapses into the Burrard Inlet killing 18 ironworkers and injuring others.
September 15 » A Central Railroad of New Jersey commuter train runs through an open drawbridge at the Newark Bay, killing 48.
When copying data from this family tree, please include a reference to the origin: Henk Panjer, "Family tree Panjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-panjer/I4628.php : accessed March 11, 2026), "Henderik Roelfsema (-1958)".
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