April 17 is the 107th day of the year (108th in leap years) in the Gregorian calendar.
There are 258 days left until the end of the year.
Until October 15, 1582 - April 17 according to the Julian calendar, from October 15, 1582 - April 17 according to the Gregorian calendar.
In the 20th and 21st centuries, it corresponds to April 4 in the Julian calendar.
Holidays and memorable days
See also: Category:Holidays April 17
World Hemophilia Day.
World Malbec Day.
International Circus Day.
American Samoa - Flag Day.
Kazakhstan - Fire Service Day.
Cuba - Day of victory over counter-revolution (since 1961).
Russia - Day of Veterans of the Department of Internal Affairs and Internal Troops of the Ministry of Internal Affairs of Russia (since 2011)
Syria - Independence Day (since 1946). National holiday - Day of the evacuation of foreign troops.
Japan - Children's Day.
the memory of St. Kateri Tekakwitha;
memory of Pope Aniketus.
the memory of St. Joseph the hymn-writer (883);
the memory of St. George, ilk in Malea (IX);
the memory of St. Joseph the Painful, Caves, in the Far Caves (XIV);
the memory of the Monk Zosima of Vorbozomsky (c. 1550);
the memory of Zosima of Palestine (c. 560);
the memory of the martyrs Fervufa the virgin, sister and her slave (341-343);
the memory of the venerable martyrs Benjamin (Kononov), archimandrite, and Nicephorus (Kuchin), hieromonk (1928);
the memory of Hieromartyr Nicholas (Karaulov), Bishop of Velsky, Martyr Mary (Lelyanova), a nun (1932);
the memory of Hieromartyr John Vechorko, presbyter (1933);
the memory of the martyr John Kolesnikov (1943);
the memory of the Monk Jacob of Galich (c. XV-XVI);
celebration of the icon of the Mother of God "Gerontissa".
Catholic: Aniket / Anicet, Catherine
Orthodox: Adrian, Ambrose, Benjamin, George, Zosima, Ivan, Joseph, Kallinik, Maria, Nikita, Nikifor, Nikolai, Pafnuty, Theodore, Theon, Fervuf, Thomas, Jacob
See also: Category:April 17 events
Until the 19th century
1492 - Christopher Columbus signed a contract with Spain to open a new route to India.
1521 - Martin Luther is excommunicated from the bosom of the Roman Catholic Church for refusing to recant his heresy.
1555 - Cosimo I, after a 15-month siege, took Siena and annexed it to Tuscany.
1607 - 21-year-old Arman �