April 2017

Please note: This is an ongoing project of the Polish American Journal. If you know of any dates you think should be listed, please e-mail us at: We are trying to make this a Polish American chronology without overlooking the important dates in Poland’s history. Any additional information for events listed would be greatly appreciated.


April - Kwiecien

April Fool’s Day. Prima Aprilis is marked in Poland by people playing pranks on one another.

2005. Death of Saint John Paul II, born Karol Wojtyla in Wadowice, Poland, 84.

1849. Death of Polish poet and dramatist Julius Slowacki, in Paris.

1794. Polish forces under Tadeusz Kosciuszko are victorious in the Battle of Raclawice.

1884. Birth of Polish ethnographer and anthropologist Bronislaw Malinowski (d. 1942).

1525. Signing of the Treaty of Kraków, officially ending the Polish–Teutonic War
1943. Mass graves of Polish officers murdered by Soviets are discovered in Katyń Forest.

Palm Sunday. Niedziela Palmowa. This feastday, commemorating Jesus’ triumphal ride into Jerusalem, marks the start of Holy Week (Wielki Tydzień) and palms are blessed at church on the occasion. In Poland, the “palms” are usually pussywillows intertwined with evergreens and various rod-type bouquets woven from dried herbs and wildflowers.

1525. Prussian Homage, the formal investment of Albert of Prussia as duke of the Polish fief of Ducal Prussia.

2010. A plane carrying a contingent of Polish leaders, including President Lech Kaczynski, crashes out Smolensk, Russia.

Holy Thursday. Wielki Czwartek.
1909. Birth of Stanislaw Ulan, Polish American mathematician who assisted in the development of the hydrogen bomb.

Good Friday. Wielki Piatek
966. Baptism of Poland

Holy Saturday. Wielka Sobota is associated by most Poles with the traditonal blessing of Easter food. After the blessing, it is customary to stop and say a prayer at the tableau of Christ’s Tomb. New fire and fresh Holy Water are also blessed on this day.

Easter Sunday. Wielkanoc, the most important celebration in the Catholic calendar, commemorates the Resurrection of Jesus Christ.
1935. Birth of Bobby Vinton.

Dyngus Day. Lany Poniedziałek

1518. Bona Sforza (1494-1558) crowned Queen of Poland and Grand Duchess of Lithuania.

1794. Kosciusko’s forces rout Russian troops out of Warsaw.

1919. Polish Army captured Vilno (Vilnius), Lithuania from Soviet Army.

1947. Birth of Massachusetts musician, vocalist, DJ, and IJ Billy Belina.

1333. Casimir the Great crowned King of Poland.

1941. No. 307 Polish Squadron of the Royal Air Force arrives in Exeter, England.

1863. Birth of Maria Teresa Ledochowski, foundress of the Sisters of St. Peter Claver.

1309. Birth of Kazimierz III, King of Poland (1333-70).


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