According to the Treaty of Trianon, the city of Sopron in western Hungary and its surroundings were assigned to Austria. After an uprising in 1921 in this region, a referendum was held and 65.08% of the votes were in favor of belonging to Hungary. This referendum was accepted by the major powers and the transition of Sopron and its surrounding 8 villages from Austria to Hungary was the only serious territorial revision in the years following the Treaty of Trianon.
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Text from the Wikipedia article “Uprising in West-Hungary”, available under CC BY-SA 4.0.
Parts
9 events in date order- first skirmish at Ágfalva28 August 1921number 1 on the map
- Alho Skirmish29 August 1921number 2 on the map
- Felsőőri Skirmish30 August 1921number 3 on the map
- Pinkafői Skirmish31 August 1921number 4 on the map
- Swirling Clash4 September 1921number 5 on the map
- Battle of Gyanafalva5 September 1921number 6 on the map
- Battle of Kirchschlag5 September 1921number 7 on the map
- Battle of Császárkőbanya23 September 1921number 8 on the map
- Karácsfa Skirmish19 July 1922number 9 on the map