Jašiūnai (Polish: Jaszuny) is a town in Lithuania. It is situated on the Merkys River and an edge of the Rūdninkai Forest (Polish: Puszcza Rudnicka). According to the 2001 census, it had population of 1,879. The town's population is primarily Polish (some 70%), with Russian (10%) and Lithuanian (5%) minorities.
Alongside cultural life, the manor owners encouraged small industry: a ceramics workshop (still operating as of 2009), a factory of resin and turpentine, brickyard, paper factory. After the Uprising of 1863 and Baliński's death, Jašiūnai lost its position as a cultural center. The valuable library collection was transported to Poland or lost during the wars. As part of the Vilnius Region, Jašiūnai belonged to the Second Polish Republic during the interwar period.
The first church, named after St. Anna, was built in 1515. When the Radziwiłłs converted to Protestantism, the church was also transformed from a Catholic to a Protestant church. The church was destroyed during the Great Northern War with Sweden (1700–1721). For a long time the town had only a chapel. The current church was built in 1929. It is half-brick, half-wooden church with a single rectangular tower. Its central nave is separated from the aisles by wooden pillars. The wooden ceiling attempts to imitate vaults. The main altar is decorated with a copy of Our Lady of the Gate of Dawn.
In 2001 the town received its coats of arms, designed by Arvydas Každailis. The coat of arms depict a silver column in a red shield with two golden stars on each side. The column represents classical architecture and the manor. It also carries symbolical meaning of strength and power. The two stars are dedicated to the two families prominent in town's history – Balińskis and Śniadeckis.
^ ab(Lithuanian)Zinkus, Jonas et al., eds. (1985–1988). "Jašiūnai". Tarybų Lietuvos enciklopedijaII. Vilnius, Lithuania: Vyriausioji enciklopedijų redakcija. p. 109. LCC86232954.CS1 maint: Explicit use of et al. (link)
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