The temperature on April 25, 1833 was about 9.0 °C. Wind direction mainly northeast. Weather type: nevel half bewolkt. Source: KNMI
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De Republiek der Verenigde Nederlanden werd in 1794-1795 door de Fransen veroverd onder leiding van bevelhebber Charles Pichegru (geholpen door de Nederlander Herman Willem Daendels); de verovering werd vergemakkelijkt door het dichtvriezen van de Waterlinie; Willem V moest op 18 januari 1795 uitwijken naar Engeland (en van daaruit in 1801 naar Duitsland); de patriotten namen de macht over van de aristocratische regenten en proclameerden de Bataafsche Republiek; op 16 mei 1795 werd het Haags Verdrag gesloten, waarmee ons land een vazalstaat werd van Frankrijk; in 3.1796 kwam er een Nationale Vergadering; in 1798 pleegde Daendels een staatsgreep, die de unitarissen aan de macht bracht; er kwam een nieuwe grondwet, die een Vertegenwoordigend Lichaam (met een Eerste en Tweede Kamer) instelde en als regering een Directoire; in 1799 sloeg Daendels bij Castricum een Brits-Russische invasie af; in 1801 kwam er een nieuwe grondwet; bij de Vrede van Amiens (1802) kreeg ons land van Engeland zijn koloniën terug (behalve Ceylon); na de grondwetswijziging van 1805 kwam er een raadpensionaris als eenhoofdig gezag, namelijk Rutger Jan Schimmelpenninck (van 31 oktober 1761 tot 25 maart 1825).
January 3 » The United Kingdom claims sovereignty over the Falkland Islands.
January 13 » United States President Andrew Jackson writes to Vice President Martin Van Buren expressing his opposition to South Carolina's defiance of federal authority in the Nullification Crisis.
February 6 » Otto becomes the first modern King of Greece.
April 1 » The Convention of 1833, a political gathering of settlers in Mexican Texas to help draft a series of petitions to the Mexican government, begins in San Felipe de Austin.
May 25 » The Chilean Constitution of 1833 is promulgated.
December 18 » The national anthem of the Russian Empire, "God Save the Tsar!", is first performed.
Day of marriage May 24, 1862
The temperature on May 24, 1862 was about 16.8 °C. The air pressure was 1.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 72%. Source: KNMI
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).
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.
January 30 » The first American ironclad warship, the USSMonitor is launched.
February 6 » American Civil War: Forces under the command of Ulysses S. Grant and Andrew H. Foote give the Union its first victory of the war, capturing Fort Henry, Tennessee in the Battle of Fort Henry.
February 15 » American Civil War: Confederates commanded by Brig. Gen. John B. Floyd attack General Ulysses S. Grant's Union forces Fort Donelson, Tennessee. Unable to break the fort's encirclement, Lloyd surrenders the following day.
June 8 » American Civil War: Battle of Cross Keys: Confederate forces under General Stonewall Jackson save the Army of Northern Virginia from a Union assault on the James Peninsula led by General George B. McClellan.
July 1 » The Russian State Library is founded as the Library of the Moscow Public Museum.
September 17 » American Civil War: George B. McClellan halts the northward drive of Robert E. Lee's Confederate Army in the single-day Battle of Antietam, the bloodiest day in American military history.
Day of death July 11, 1899
The temperature on July 11, 1899 was about 23.5 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 6 » Bayer registers "Aspirin" as a trademark.
July 29 » The First Hague Convention is signed.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
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/I128985.php : accessed February 9, 2026), "Roelf Holtrop (1833-1899)".
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