About the day » Monday April 18, 1921Calender converter

• Catharina Alida van den Berg, Noordwijkerhout († 1981)
• Adriana Johanna Rombouts, Loon op Zand († 1991)
• Agnes Mary Mlinarcik, Passaic, New Jersey, Verenigde Staten († 2008)
• Antje Martens, Emmer Compascuum (Gem. Emmen), Drenthe, Nederland († 1981)
• Antonius Linders, Veghel († 1921)
• Anna Maria Coenjaerts, Kerkrade (L († 2009)
• Catharina A.C. van den Berg, Noordwijkerhout († 1981)
• Arnold Gayland Braswell († 1943)
• Anna Maria (Miets) Coenjaerts, Kerkrade, Nederland († 2009)
• Anna Margretha van Hulst († 2007)

• Antonia de Mirbach (74)
• Antonia von Mirbach-Harff (74), Burg Maubach
• Bastiaan Jacob Mighorst (47), Rotterdam, Zuid-Holland, Nederland
• Antonia Geerts (65), Haarlem, Noord-Holland, Nederland
• Bartus Hoek (61), Hengelo,Gemeente Hengelo
• Adrianus van Moll (81), Eersel
• Barend van Sluijters (56), Goor, Overijssel, Nederland
• Aaltje Mulder (0), Apeldoorn
• Annetje van Esveld (47), Barneveld
• Arie de Kreij (78), Bleskensgraaf

• 1918 » André Bazin, French critic and theorist († 1958)
• 1918 » Gabriel Axel, Danish-French actor, director, and producer († 2014)
• 1919 » Esther Afua Ocloo, Ghanaian entrepreneur and pioneer of microlending († 2002)
• 1919 » Virginia O'Brien, American actress and singer († 2001)
• 1920 » John F. Wiley, American football player and coach († 2013)
• 1921 » Jean Richard, French actor and singer († 2001)
• 1922 » Barbara Hale, American actress († 2017)
• 1922 » Lord Kitchener, Trinidadian singer († 2000)
• 1923 » Alfred Bieler, Swiss ice hockey player († 2013)
• 1923 » Beryl Platt, Baroness Platt of Writtle, English engineer and politician († 2015)

• 1906 » Luis Martín, Spanish religious leader, 24th Superior-General of the Society of Jesus (b. 1846)
• 1912 » Martha Ripley, American physician (b. 1843)
• 1917 » Vladimir Serbsky, Russian psychiatrist and academic (b. 1858)
• 1923 » Savina Petrilli, Italian religious leader (b. 1851)
• 1936 » Milton Brown, American singer and bandleader (b. 1903)
• 1936 » Ottorino Respighi, Italian composer and conductor (b. 1879)
• 1938 » George Bryant, American archer (b. 1878)
• 1942 » Aleksander Mitt, Estonian speed skater (b. 1903)
• 1942 » Gertrude Vanderbilt Whitney, American heiress, sculptor and art collector, founded the Whitney Museum of American Art (b. 1875)
• 1943 » Isoroku Yamamoto, Japanese admiral (b. 1884)

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

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

• 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• The Netherlands had about 6.9 million citizens.
• March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
• May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
• July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
• September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
• October 5 » The World Series is the first to be broadcast on radio.
• October 26 » The Chicago Theatre opens.

The temperature on April 18, 1921 was between -1.5 °C and 10.5 °C and averaged 4.5 °C. There was 0.5 mm of rain. There was 9.7 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast.