About the day » Saturday April 9, 1870Calender converter

• , Sint-Kruis, West Flanders, Belgium († 1870)
• Albert van der Bijl, Koudekerk aan de Rijn († 1939)
• Aaltien Steenbergen, Emmen, Drenthe, Nederland († 1942)
• Albert Valentine Vincent, Vandalia, Fayette County, Illinois, Verenigde Staten († 1957)
• Albertus Jans Smit, Blesdijke, Weststellingwerf, Fr, Nederland
• Adriana Westerhof, Oldeholtpade († 1961)
• Adriaantje van der Plas, Numansdorp, Zuid-Holland, Nederland
• Aaltien Steenbergen († 1942)
• Alida Maria van der Werff, Kalkwijk, Groningen, Nederland
• Amos William Alexander, PA († 1951)

• Anna Maria Hoogbergen (67), Houten
• Antje Viveen (1), Woudrichem, Noord-Brabant, The Netherlands
• Aardje van den Heuvel (84), Veenendaal, Utrecht, Nederland
• Anna Maria Hoogbergen (67), Houten,, Utrecht, Nederland
• Annegien Wijnholds- (1), Roswinkel, Nederland
• Annegien Wijnholds (1), Roswinkel
• Alida van Klaveren (0), Haarlemmermeer, Noord-Holland, Nederland
• Alexander MacLeod (8), Nova Scotia, Canada
• Alijda Maria Catharina Wilhelmina Heessen (1), Utrecht, Nederland
• Adriana Maria Asperslag (0), Zwolle, Overijssel, Netherlands

• 1865 » Charles Proteus Steinmetz, Polish-American mathematician and engineer († 1923)
• 1865 » Erich Ludendorff, German general and politician († 1937)
• 1867 » Charles Winckler, Danish tug of war competitor, discus thrower, and shot putter († 1932)
• 1867 » Chris Watson, Chilean-Australian journalist and politician, 3rd Prime Minister of Australia († 1941)
• 1872 » Léon Blum, French lawyer and politician, Prime Minister of France († 1950)
• 1875 » Jacques Futrelle, American journalist and author († 1912)
• 1880 » Jan Letzel, Czech architect († 1925)
• 1882 » Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin († 1946)
• 1882 » Otz Tollen, German actor († 1965)
• 1883 » Frank King, American cartoonist († 1969)

• 1806 » William V, stadtholder of the Dutch Republic (b. 1748)
• 1872 » Erastus Corning, American businessman and politician (b. 1794)
• 1876 » Charles Goodyear, American lawyer, judge, and politician (b. 1804)
• 1882 » Dante Gabriel Rossetti, English poet and painter (b. 1828)
• 1889 » Michel Eugène Chevreul, French chemist and academic (b. 1786)
• 1909 » Helena Modjeska, Polish-American actress (b. 1840)
• 1915 » Raymond Whittindale, English rugby player (b. 1883)
• 1917 » James Hope Moulton, English philologist and scholar (b. 1863)
• 1922 » Hans Fruhstorfer, German entomologist and explorer (b. 1866)
• 1926 » Zip the Pinhead, American freak show performer (b. 1857)

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

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

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
• The Netherlands had about 3.6 million citizens.
• February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
• May 14 » The first game of rugby in New Zealand is played in Nelson between Nelson College and the Nelson Rugby Football Club.
• July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
• July 18 » The First Vatican Council decrees the dogma of papal infallibility.
• October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
• October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.

The temperature on April 9, 1870 was about 17.8 °C. The air pressure was 8 kgf/m² and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 45%.