The temperature on August 4, 1861 was about 20.3 °C. There was 0.1 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
February 13 » Italian unification: The Siege of Gaeta ends with the capitulation of the defending fortress, effectively bringing an end of the Kingdom of the Two Sicilies.
March 17 » The Kingdom of Italy is proclaimed.
March 21 » Alexander Stephens gives the Cornerstone Speech.
April 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
July 16 » American Civil War: At the order of President Abraham Lincoln, Union troops begin a 25-mile march into Virginia for what will become the First Battle of Bull Run, the first major land battle of the war.
September 17 » Argentine Civil Wars: The State of Buenos Aires defeats the Argentine Confederation at the Battle of Pavón.
Day of death June 30, 1904
The temperature on June 30, 1904 was between 5.1 °C and 22.6 °C and averaged 14.9 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
February 28 » S.L. Benfica is founded in Portugal.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
August 23 » The automobile tire chain is patented.
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/I14388.php : accessed October 9, 2026), "Roel Merkus (1861-1904)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.