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The Kreva Castle, constructed of brick, was built by the Grand Duke of Lithuania Gediminas at the borderland of Lithuanian ethnic lands. After his death in 1341, Kreva became the patrimony of his son and successor, Algirdas. In 1382, the Grand Duke Kęstutis was imprisoned in Kreva during the Lithuanian Civil War (1381–84) and subsequently murdered on the order by his nephew Jogaila.
The ruins of the castle were severely damaged during the World War I, as they were near the front lines. They remain extant to the present day.
In 1385, the Union of Krewo (Act of Kreva) was signed in Kreva.
In 1387, following the Christianization of Lithuania, the Grand Duke Jogaila established the first Catholic parish in the Lithuanian pagan lands and built a church which is now known as the Church of St. Mary.
- Жучкевич В. А. Краткий топонимический словарь Белоруссии. — Мн.: Изд-во БГУ, 1974. С. 182.
- Media related to Kreva at Wikimedia Commons