The Treaty of Trianon which concluded the First World War, awarded a stretch of land with mixed Hungarian and ethnic German population to Austria. However during August 1921 when Austrian police and customs officers attempted to occupy the area, their efforts were thwarted by armed resistors organised by the Rongyos Gárda. The Guards were a militia of Hungarian volunteers, many of them former soldiers of the anti-communist detachments that fought alongside Nicholas Horthys National Army. They were led by captain Pál Prónay. The name Scrubby Guards reflected the fact that they were a non-governmental force.
The Guards' primary goal was to reduce the land loss after the 1920 Treaty of Trianon. First they proclaimed a new country between Austria and Hungary, the Lajtabánság, supposedly ruled by their commander, Pál Prónay. At the same time they launched a series of attacks to oust the Austrian forces that entered the area. After the clashes, Sopron's status as part of Hungary (along with that of the surrounding eight villages) was decided by a local plebiscite held on December 14, 1921, with 65% voting for Hungary. Since then Sopron has been called Civitas Fidelissima ("The Most Loyal Town", Hungarian: A Leghűségesebb Város), and the anniversary of the plebiscite is a city holiday.
The Guards were reorganised in 1938 on the eve of Hungarian-Czechoslovak negotiations, which took place between October 9 and October 13, 1938, in Komárno aiming to resolve the territorial conflict between the two sides. The guerillas began to infiltrate into southern Slovakia and Ruthenia. The military pressure contributed to the decision of the Czechoslovak government to accept an international arbitration to solve the territorial dispute.
The historic role of the Scrubby Guards is disputed. Some historians claim they were saviors of Hungarian land, the only ones fighting the Trianon Peace Pact's dictations. During the communist rule they were depicted as savage terrorists, who killed innocent people. Parts from Pál Prónays diary were published during the 1960s in order to disseminate these views. The first books about their activity were only published after 1989. The existence of the Guards was rarely mentioned in Hungarian textbooks before the millennium.
- Bela Bodo: Paramilitary violence in Hungary after the first world war. East European Quarterly, June, 2004.
- Bálint István János: A Rongyos Gárda harcai, 1919-1939, Magyar Ház könyvek, Budapest, 1999.