Itävallan tapahtumat Euroopan Hulluna Vuotena

Lähteet:

https://en.wikipedia.org/wiki/German_revolutions_of_1848%E2%80%9349

https://en.wikipedia.org/wiki/Revolutions_of_1848_in_the_Austrian_Empire

https://www.britannica.com/place/Austria/Revolution-and-counterrevolution-1848-59

http://ww1.habsburger.net/en/chapters/hungarian-war-independence-184849

https://welovebudapest.com/en/2015/03/14/explainer-hungarys-march-15th-holiday/

http://www.historynet.com/hungarys-war-of-independence.htm