April 4 is the 94th day of the year (95th in leap years) in the Gregorian calendar. There are 271 days remaining until the end of the year.
This day in history: April 3 — April 4 — April 5
Holidays and memorable days
UN: International Day for Mine Awareness and Demining Assistance
World Carrot Day.
World Rat Day.
International Day of Stray Animals.
Webmaster's Day [source?]
Vitamin C Day [source?]
Journalist's Embrace Day [source?]
Day walking around [source?]
NATO Creation Day.
Senegal: National holiday of the Republic of Senegal. Independence Day (1960)
Hong Kong, Taiwan: Children's Day.
Angola: Day of Peace.
USA: Drug Awareness Day. School Librarian's Day. National Border Blue Day.
Moldova: Day of Mourning for the Dead in Ukraine.
in 2016, 3016, .. - square root day
Orthodox: Vasilina, Vasily, Sergius, Claudius, Taisiya, Aglaia, Polina, Darina, Sophia
1103 - Defeat of Polovtsy by Kyiv Prince Volodymyr Monomakh.
1147 - Suzdal Prince Yuri Dolgoruky held a big banquet in Moscow in honor of his ally, Prince Svyatoslav Olgovich of Novgorod-Siversky. The first chronicle mention of Moscow.
1460 - Switzerland's oldest university, Basel, is founded.
1768 - Philip Astley creates the first modern circus to display riding tricks in London.
1785 - English inventor Edmund Cartwright receives a patent for a mechanical loom with a foot drive.
1794 - During the Polish Uprising, the Battle of Raclawice takes place, in which Polish rebels led by Tadeusz Kosciuszko defeat the Russian tsarist army of Denisov and Tormasov.
1881 - Los Angeles receives city status.
1887 - The First Colonial Conference begins in London.
1900 - Divers find the Antikythera mechanism near the Greek island of Antikythera, an ancient instrument for calculating the motion of celestial bodies.
1925 - Julius Schreck is tasked with creating a new unit for Hitler's bodyguards, named after him. SchutzStaffel - "Protective Detachments".
1932 - American biochemist Charles Glenn King of the University of Pittsburgh first isolated vitamin C.