About the day » Sunday April 30, 1911Calender converter

• Aalt van de Geest, Ermelo
• Adriana Theodora Schoenmakers, Duisburg Ruhrort, Duitsland († 1990)
• Alle Schilperoord, Rotterdam († 1986)
• Anna Johanna Verwoert, Kesteren († 1997)
• Anje Grietje Vos, Ulrum, Groningen, Nederland
• Anna Vunderink, Egmond († 1989)
• Alfred Henri MERCIER, Somain... Hauts de France († 1911)
• Anje Grietje Vos, Ulrum,, Groningen, Nederland
• Aaltje van der Sleen, Nieuweroord, Westerbork († 1961)
• Adrianus Vonk, Vrijenban, Zuid-Holland, Nederland

• Boudewijn Giljam van der Have (75), Ouwerkerk
• Anna Marie Burke (20), Boston, Massachusetts
• Aagje du Pré (15), Rotterdam
• Arend Jan de Winter (80), Deventer
• ANNA MARIA AGNES BIESENBACH (61), ROTTERDAM
• Albertus Josephus VAN Pottelberghe (0), KOEWACHT (NL)
• Ahasuera Hendrika van Baaren (96), Tiel
• Agatha Johanna Bakker (71), Leiden, Zuid Holland
• Antonia Lucia Keers (0), Utrecht
• Anna Maria Stahl (84), Heidschott, Olpe, Nordrhein-Westfalen, Deutschland

• 1908 » Bjarni Benediktsson, Icelandic professor of law and politician, 13th Prime Minister of Iceland († 1970)
• 1908 » Eve Arden, American actress († 1990)
• 1908 » Frank Robert Miller, Canadian air marshal and politician († 1997)
• 1909 » F. E. McWilliam, Irish sculptor and educator († 1992)
• 1909 » Juliana of the Netherlands († 2004)
• 1910 » Levi Celerio, Filipino pianist, violinist, and composer († 2002)
• 1914 » Charles Beetham, American middle-distance runner († 1997)
• 1914 » Dorival Caymmi, Brazilian singer-songwriter, actor, and painter († 2008)
• 1916 » Claude Shannon, American mathematician and engineer († 2001)
• 1916 » Paul Kuusberg, Estonian journalist and author († 2003)

• 1879 » Emma Smith, American religious leader (b. 1804)
• 1883 » Édouard Manet, French painter (b. 1832)
• 1891 » Joseph Leidy, American paleontologist and author (b. 1823)
• 1900 » Casey Jones, American railroad engineer (b. 1863)
• 1903 » Emily Stowe, Canadian physician and activist (b. 1831)
• 1910 » Jean Moréas, Greek poet and critic (b. 1856)
• 1936 » A. E. Housman, English poet and scholar (b. 1859)
• 1939 » Frank Haller, American boxer (b. 1883)
• 1943 » Beatrice Webb, English sociologist and economist (b. 1858)
• 1943 » Otto Jespersen, Danish linguist and academic (b. 1860)

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

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

• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
• The Netherlands had about 6.0 million citizens.
• January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
• May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
• August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
• September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
• September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
• December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.

The temperature on April 30, 1911 was between 4.5 °C and 12.6 °C and averaged 8.2 °C. There was 1.3 mm of rain. There was 4.9 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest.