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.

Quick Facts Date, Location ...

Uprising in West-Hungary
Map of present-day Burgenland in Austria, the area of the short-lived state of Lajtabánság and military conflicts
Date 28 August - 13 October 1921 (1 month, 2 weeks and 1 day) Location West-Hungary (Sopron County, Moson County, Vas County) (today part of: Burgenland, Austria and Hungary) Result Hungarian victory, referendum called Territorial changes Sopron and its area remained in Hungary.
Belligerents
Austria Hungary (disarmament of the rebels in 1922) Czechoslovakia (small border conflicts) France (Non-combatant military mission) French Algeria	Rongyos Gárda Lajtabánság Bosnian and Albanian Muslim volunteers
Commanders and leaders
	Pál Prónay Iván Héjjas Gyula Ostenburg-Moravek Mihály Francia Kiss Károly Kaszala István Friedrich Gyula Gömbös Huszein Durics Hilmi
Strength
~500 Austrian police officers and gendarmeries	~500-600
Casualties and losses
12 killed 46 wounded	24 killed

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• Gyula Somogyvári („Gyula diák”): És mégis élünk (novel)
• Dr. Jenő Héjjas: A Nyugat-magyarországi felkelés. Budapest, 1929.

• Lajtabánság