About the day » Saturday May 11, 1861Calender converter

• Andries Rosien, Gieten, Drenthe, Nederland († 1941)
• Andries Rosien (Rosier), Gieterveen (Gieten-Dr) († 1941)
• Albert de Jonge, Noord / Hoogeveen († 1900)
• Adrianus Lijzen, Almen
• ?? Ente, Utrecht († 1861)
• Anna Maria Does, Hillegom, Zuid-Holland, Nederland († 1951)
• Albert De Jonge, Hoogeveen Drenthe, Netherlands(Noord) († 1900)
• Aaltje Langeveld, Eijerland
• Anna Bobrowske
• Adriana Maria Smits, Roosendaal en Nispen, Roosendaal,, Noord-Brabant, Nederland († 1916)

• Anna Vet (74), Hilversum, Nederland
• Aart van Ameijden van Duym (86), Rotterdam
• Anna Frederica van Waveren (33), Langbroek
• Aaltje (Sijbring) Sibering (52)
• Aartje de Canselaar (64)
• Aagje Jacobsdr PARLEVLIET (40), Katwijk aan Zee
• Anna van Helden (0), Almkerk en Uitwijk
• Aagje Jacobs Parlevliet (40), Katwijk
• Adriana van Golen (0), Hendrik-Ido-Ambacht, Zuid-Holland, Nederland
• Alida Maria Langezaal (0), Leiden

• 1852 » Charles W. Fairbanks, American journalist and politician, 26th United States Vice President († 1918)
• 1854 » Jack Blackham, Australian cricketer († 1932)
• 1869 » Archibald Warden, English tennis player († 1943)
• 1871 » Frank Schlesinger, American astronomer and author († 1943)
• 1875 » Harriet Quimby, American pilot and screenwriter († 1912)
• 1881 » Al Cabrera, Spanish-Cuban baseball player and manager († 1964)
• 1881 » Jan van Gilse, Dutch composer and conductor († 1944)
• 1881 » Theodore von Kármán, Hungarian-American mathematician, physicist, and engineer († 1963)
• 1888 » Irving Berlin, Belarusian-American pianist and composer († 1989)
• 1888 » Willis Augustus Lee, American admiral († 1945)

• 1812 » Spencer Perceval, English lawyer and politician, Prime Minister of the United Kingdom (b. 1762)
• 1848 » Tom Cribb, English boxer (b. 1781)
• 1849 » Juliette Récamier, French businesswoman (b. 1777)
• 1882 » Frederick Innes, Scottish-Australian politician, 9th Premier of Tasmania (b. 1816)
• 1889 » John Cadbury, English businessman and philanthropist, founded the Cadbury Company (b. 1801)
• 1908 » Charles Kingston, Australian politician, 20th Premier of South Australia (b. 1850)
• 1916 » Karl Schwarzschild, German astronomer and physicist (b. 1873)
• 1918 » George Elmslie, Australian politician, 25th Premier of Victoria (b. 1861)
• 1920 » James Colosimo, Italian-American mob boss (b. 1878)
• 1920 » William Dean Howells, American novelist, literary critic, and playwright (b. 1837)

1. Jan
2. Johannes
3. Cornelis
4. Hendrik
5. Pieter
6. Willem
7. Gerrit
8. Jacob
9. Petrus
10. Jacobus
11. Dirk
12. Adrianus
13. Arie
14. Klaas
15. Hendrikus
16. Albert

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

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• 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).
• The Netherlands had about 3.6 million citizens.
• February 1 » American Civil War: Texas secedes from the United States.
• March 4 » The first national flag of the Confederate States of America (the "Stars and Bars") is adopted.
• May 20 » American Civil War: The state of Kentucky proclaims its neutrality, which will last until September 3 when Confederate forces enter the state. Meanwhile, the State of North Carolina secedes from the Union.
• July 26 » American Civil War: George B. McClellan assumes command of the Army of the Potomac following a disastrous Union defeat at the First Battle of Bull Run.
• August 5 » American Civil War: In order to help pay for the war effort, the United States government levies the first income tax as part of the Revenue Act of 1861 (3% of all incomes over US$800; rescinded in 1872).
• November 7 » American Civil War: Battle of Belmont: In Belmont, Missouri, Union forces led by General Ulysses S. Grant overrun a Confederate camp but are forced to retreat when Confederate reinforcements arrive.

The temperature on May 11, 1861 was about 7.8 °C. There was 3 mm of rain. The air pressure was 1 kgf/m² and came mainly from the northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 97%.