About the day » Sunday August 20, 1780Calender converter

• Aart van Mourik, Brakel, Gelderland, Nederland († 1836)
• Andreas Paindavin - Pendavin, Moerbeke († 1780)
• Aaltjen Smit, Dwingeloo,Drenthe,Niederlande
• Albert Gort, koekange († 1850)
• Adriaantje Abeele, Middelharnis Zuid Holland (NL) († 1857)
• Aaltjen Alberts Smit, Dwingeloo, Drenthe, Netherlands
• Andries Veer, 's-Gravenzande, Westland, Zuid-Holland, Nederland
• Aaltje Gijsbertsdr. van der Laan, Waarder († 1855)
• Aaltje van der Laan, Waarder († 1855)
• Johannes Jacobus Hoitsma, Vrouwenparochie († 1784)

• Gertruda Smolders, Bladel
• Arend Vreeks Jacobsz (66)
• Louise-Gabrielle Julie de ROHAN-SOUBISE (76), Chevilly
• charles jh. PLUMAT (19), Quaregnon (Belgium)
• Gertrudis Smolders (60), Bladel
• Magdalene Schmidt (0), Fischelbach, Kreis Wittgenstein
• Gabriël Graaf Esterházy van Galántha (47), Gödöllö (Getterle), Noord-Hongarije
• Janneke Dees, Terneuzen
• Hester Deeton, Amsterdam, Noord-Holland, Nederland
• Jannetje van Loenen (14)

• 1719 » Christian Mayer, Czech astronomer and educator († 1783)
• 1720 » Bernard de Bury, French harpsichord player and composer († 1785)
• 1778 » Bernardo O'Higgins, Chilean general and politician, 2nd Supreme Director of Chile († 1842)
• 1779 » Jöns Jacob Berzelius, Swedish chemist and academic († 1848)
• 1789 » Abbas Mirza, Qajar crown prince of Persia († 1833)
• 1799 » James Prinsep, English orientalist and scholar († 1840)
• 1833 » Benjamin Harrison, American general, lawyer, and politician, 23rd President of the United States († 1901)
• 1845 » Albert Chmielowski, Polish saint, founded the Albertine Brothers († 1916)
• 1847 » Andrew Greenwood, English cricketer († 1889)
• 1847 » Bolesław Prus, Polish journalist and author († 1912)

• 1680 » William Bedloe, English spy (b. 1650)
• 1701 » Sir Charles Sedley, 5th Baronet, English playwright and politician, Speaker of the British House of Commons (b. 1639)
• 1707 » Nicolas Gigault, French organist and composer (b. 1627)
• 1773 » Enrique Flórez, Spanish historian and author (b. 1701)
• 1785 » Jean-Baptiste Pigalle, French sculptor (b. 1714)
• 1823 » Pope Pius VII (b. 1740)
• 1825 » William Waldegrave, 1st Baron Radstock, English admiral and politician, Governor of Newfoundland (b. 1753)
• 1835 » Agnes Bulmer, English merchant and poet (b. 1775)
• 1854 » Shiranui Dakuemon, Japanese sumo wrestler, the 8th Yokozuna (b. 1801)
• 1859 » Juan Bautista Ceballos, President of Mexico (1853) (b. 1811)

1. Jan
2. Johannes
3. Cornelis
4. Hendrik
5. Pieter
6. Willem
7. Joannes
8. Jacob
9. Gerrit
10. Petrus
11. Jacobus
12. Dirk
13. John
14. Jean
15. Klaas
16. Abraham

1. Maria
2. Anna
3. Johanna
4. Cornelia
5. Marie
6. Catharina
7. Elisabeth
8. Joanna
9. Trijntje
10. Aaltje
11. Grietje
12. Elizabeth
13. Neeltje
14. Antje
15. Adriana
16. Jannetje

• Erfstadhouder Prins Willem V (Willem Batavus) (Huis van Oranje-Nassau) was from 1751 till 1795 sovereign of the Netherlands (also known as Republiek der Zeven Verenigde Nederlanden)
• March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
• April 16 » Franz Friedrich Wilhelm von Fürstenberg founds the University of Münster.
• May 13 » The Cumberland Compact is signed by leaders of the settlers in the Cumberland River area of what would become the U.S. state of Tennessee, providing for democratic government and a formal system of justice.
• August 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
• September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
• October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.

The temperature on August 20, 1780 was about 18.0 °C. Wind direction mainly east-southeast. Weather type: omtrent helder.