March 28 » The Marathas under Baji Rao I attack and defeat the Mughals in the Battle of Delhi.
September 20 » The finish of the Walking Purchase which forces the cession of 1.2 million acres (4,860km²) of Lenape-Delaware tribal land to the Pennsylvania Colony.
November 4 » The Teatro di San Carlo, the oldest working opera house in Europe, is inaugurated in Naples, Italy.
December 24 » The Marathas defeat the combined forces of the Mughal Empire, Rajputs of Jaipur, Nizam of Hyderabad, Nawab of Awadh and Nawab of Bengal in the Battle of Bhopal.
Day of marriage October 20, 1758
The temperature on October 20, 1758 was about 9.0 °C. Wind direction mainly east by north. Weather type: geheel betrokken. Source: KNMI
January 24 » During the Seven Years' War the leading burghers of Königsberg submit to Elizabeth of Russia, thus forming Russian Prussia (until 1763).
May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
June 12 » French and Indian War: Siege of Louisbourg: James Wolfe's attack at Louisbourg, Nova Scotia, commences.
June 23 » Seven Years' War: Battle of Krefeld: British, Hanoverian, and Prussian forces defeat French troops at Krefeld in Germany.
July 8 » French forces hold Fort Carillon against the British at Ticonderoga, New York.
December 13 » The English transport ship Duke William sinks in the North Atlantic, killing over 360 people.
Day of death September 18, 1775
The temperature on September 18, 1775 was about 15.0 °C. Wind direction mainly south by east. Weather type: omtrent helder. Special wheather fenomena: veel dauw. Source: KNMI
March 8 » An anonymous writer, thought by some to be Thomas Paine, publishes "African Slavery in America", the first article in the American colonies calling for the emancipation of slaves and the abolition of slavery.
May 20 » The Mecklenburg Declaration of Independence is allegedly signed in Charlotte, North Carolina.
September 11 » Benedict Arnold's expedition to Quebec leaves Cambridge, Massachusetts.
September 25 » American Revolution: Ethan Allen surrenders to British forces after attempting to capture Montreal during the Battle of Longue-Pointe.
November 7 » John Murray, the Royal Governor of the Colony of Virginia, starts the first mass emancipation of slaves in North America by issuing Lord Dunmore's Offer of Emancipation, which offers freedom to slaves who abandoned their colonial masters to fight with Murray and the British.
December 3 » USSAlfred becomes the first vessel to fly the Grand Union Flag (the precursor to the Stars and Stripes); the flag is hoisted by John Paul Jones.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I8429.php : accessed February 7, 2026), "Henricus van Herck (1737-1775)".
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