About the day » Tuesday June 30, 1903Calender converter

• Peter Duijm, Lisse († 1957)
• Andrika Johanna Tromp, Heukelum († 1997)
• Anna Gertrudis Maria Leenders, Lent, Nijmegen
• Anna Maria Adriana Koot, 's-Gravenhage
• Albertus Christiaan van den Hengel, Oude Pekela
• Stroo, Zoutelande († 1903)
• Alexander Willem Bakker, Bergen op Zoom
• Adriana Visser, Colijnsplaat
• Anna Maria Smorgens, Destelbergen († 1995)
• Abraham Dis van, Vlissingen, Zeeland, Nederland

• Berend Holtkamp (48), Zevenhuizen gem. Leek
• Carel Jacob ten Zeldam (0), Zuid Eschmarke, Lonneker, Overijssel, Netherlands
• Hut (0), Veendam, Groningen, Netherlands
• Antje Siemens (47), Wright County, Iowa, Verenigde Staten
• "Henri" Antoine Raphaël Royer-Collard (58), Ballaigues, Vaud, Suisse
• Antonia Catharina Leopold (71), Oegstgeest
• Agnes Theodorus van der Meulen (37), Bolsward
• Bernardina Seegers (72), Gendt, Lingewaard
• Antonie Petrus Ferdinand Bakker (72), Terborg, Wisch, Gelderland, Nederland
• Antonie Petrus Ferdinand Bakker (72), Terborg, Gelderland, Nederland

• 1895 » Heinz Warneke, German-American sculptor and educator († 1983)
• 1899 » Madge Bellamy, American actress († 1990)
• 1905 » John Van Ryn, American tennis player († 1999)
• 1906 » Anthony Mann, American actor and director († 1967)
• 1907 » Roman Shukhevych, Ukrainian general and politician († 1950)
• 1908 » Luigi Rovere, Italian film producer († 1996)
• 1908 » Rob Nieuwenhuys, Dutch writer († 1999)
• 1908 » Winston Graham, English author († 2003)
• 1909 » Juan Bosch, 43rd President of the Dominican Republic († 2001)
• 1911 » Czesław Miłosz, Polish novelist, essayist, and poet, Nobel Prize laureate († 2004)

• 1882 » Alberto Henschel, German-Brazilian photographer and businessman (b. 1827)
• 1882 » Charles J. Guiteau, American preacher and lawyer, assassin of James A. Garfield (b. 1841)
• 1890 » Samuel Parkman Tuckerman, American organist and composer (b. 1819)
• 1908 » Thomas Hill, American painter (b. 1829)
• 1913 » Alphonse Kirchhoffer, French fencer (b. 1873)
• 1916 » Eunice Eloisae Gibbs Allyn, American correspondent, author, and poet (b. 1847)
• 1917 » Antonio de La Gándara, French painter and illustrator (b. 1861)
• 1917 » Dadabhai Naoroji, Parsi intellectual, educator, cotton trader, and an early Indian political and social leader (b. 1825)
• 1919 » John William Strutt, 3rd Baron Rayleigh, English physicist and academic, Nobel Prize laureate (b. 1842)
• 1932 » Bruno Kastner, German actor, producer, and screenwriter (b. 1890)

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

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

• 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 August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
• The Netherlands had about 5.3 million citizens.
• February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
• June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
• August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
• October 6 » The High Court of Australia sits for the first time.
• October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
• December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.

The temperature on June 30, 1903 was between 9.5 °C and 21.0 °C and averaged 15.6 °C. There was 11.7 hours of sunshine (70%).