The temperature on September 21, 1864 was about 11.8 °C. The air pressure was 5 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 85%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
April 22 » The U.S. Congress passes the Coinage Act of 1864 that mandates that the inscription In God We Trust be placed on all coins minted as United States currency.
May 13 » American Civil War: Battle of Resaca: The battle begins with Union General Sherman fighting toward Atlanta.
May 21 » The Ionian Islands reunite with Greece.
June 15 » Arlington National Cemetery is established when 200 acres (0.81km) of the Arlington estate (formerly owned by Confederate General Robert E. Lee) are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton.
July 29 » American Civil War: Confederate spy Belle Boyd is arrested by Union troops and detained at the Old Capitol Prison in Washington, D.C.
September 7 » American Civil War: Atlanta is evacuated on orders of Union General William Tecumseh Sherman.
Day of marriage June 21, 1886
The temperature on June 21, 1886 was about 12.3 °C. The air pressure was 8 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
September 4 » American Indian Wars: After almost 30 years of fighting, Apache leader Geronimo, with his remaining warriors, surrenders to General Nelson Miles in Arizona.
October 28 » President Cleveland dedicates the Statue of Liberty.
When copying data from this family tree, please include a reference to the origin: Hans van Ekelenburg, "Family tree Van Roon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-roon/I653.php : accessed March 6, 2026), "Hendrika Wijnhorst (1864-????)".
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