November 11, 1918
Karl I, Emperor of Austria, formally abdicates in Austria. He chooses the words in his address releasing his government officials carefully, stating that the Austrian people have a right to decide their own fate. Monarchists and other supporters of the Emperor protest his abdication in the streets for days.
January 3, 1919
Protests calling for the restoration strengthen as it becomes apparent that negotiations between the Allies, specifically Italy, and German Austria are completely tipped toward Italy.
September 10, 1919
The Treaty of Saint-Germain is signed, besides requiring Austria to pay war reparations, Austria loses large amounts of land to Italy, the loss of South Tirol enrages the Emperor's supporters in both Austria and South Tirol.
September 11, 1919
Full blown riots breakout in Vienna, Innsbruck, Graz, Linz, Salzburg, and most cities in South Tirol calling for reunification of Austria and South Tirol, as the Archduchy of Austria under a constitutional Habsburg Monarchy.
September 13, 1919
The Italian Embassy in Vienna is bombed. No one is killed, and only 3 are injuried with minor wounds(the bomb was poorly placed and defective). Italy withdraws diplomatic relations with Austria.
September 16, 1919
Italian troops trying to occupy South Tirol meet riots and in some places armed resistance. Nearly 75 people die with in the next week as a result of defying the Italians.
October 1, 1919
The Government of the Republic of Austria announces it will hold a nation wide plebsicite as to the direction of Austria's future in 1 month's time.
November 1, 1919
In Austria the plebiscite is held. In South Tirol, violence against the Italian forces grows, in response the Italians impose martial law and a series of violent acts, against often innocent Tirolians, occurs carried out by members of the Italian Army.
November 3, 1919
The plebiscite overwhelming ends up being a show of support for the Monarchist cause, the Republican government is forced to invite Emperor Karl back. In South Tirol, an agreement is reached by Austrian Nationalists and Italian delegates to end the violence. Areas of South Tirol will with in 6 months hold plebiscites as to whether they wish to remain part of Italy or reunite with Austria. Both these announcements are joyously recieved by the former Emperor, now living in Switzerland.
November 11, 1919
Emperor Karl returns to Vienna. He has been asked to lead a constitutional committee that will draw up a constitution for the new Constitutional Monarchy of the Archduchy of Austria. Preparations for his coronation as Archduke begin.
December 25, 1919
Karl is coronated Karl IV, Archduke of Austria, on Christmas Day in Saint Stephen's Cathedral in Vienna. The traditional Crown of Rudolph II is used instead of the Archducal Hat.
January 27, 1920
The plebiscite in South Tirol is held with the world watching. As expected most of South Tirol votes to reunite with Austria. Italian speaking areas, like around Trentino, vote to remain in Italy. To many's surprise Italy does not contest the results.
March 1, 1920
Austria and South Tirol are formally reunited.
I can write more if you like(up to the present I suppose), I'm sure to get the idea, but if I do I'll likely just turn this into it's own thread.