January 18 » James Cook is the first known European to discover the Hawaiian Islands, which he names the "Sandwich Islands".
February 9 » Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
February 23 » American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania to help to train the Continental Army.
August 26 » The first recorded ascent of Triglav, the highest mountain in Slovenia.
November 11 » Cherry Valley massacre: Loyalists and Seneca Indian forces attack a fort and village in eastern New York during the American Revolutionary War, killing more than forty civilians and soldiers.
December 29 » American Revolutionary War: Three thousand British soldiers under the command of Lieutenant Colonel Archibald Campbell capture Savannah, Georgia.
Christening day October 11, 1778
The temperature on October 11, 1778 was about 12.0 °C. Wind direction mainly northwest by north. Weather type: half bewolkt zeer half bewolkt regen. Source: KNMI
February 6 » American Revolutionary War: In Paris the Treaty of Alliance and the Treaty of Amity and Commerce are signed by the United States and France signaling official recognition of the new republic.
June 28 » American Revolutionary War: The American Continentals engage the British in the Battle of Monmouth Courthouse resulting in standstill and British withdrawal under cover of darkness.
July 27 » American Revolution: First Battle of Ushant: British and French fleets fight to a standoff.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
September 19 » The Continental Congress passes the first United States federal budget.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
Day of death July 1, 1780
The temperature on July 1, 1780 was about 20.0 °C. Wind direction mainly east-northeast. Weather type: zeer betrokken. Source: KNMI
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I554430.php : accessed March 13, 2026), "Ymkjen Jans (1778-1780)".
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.