History of Trieste

Trieste becomes a Habsburg imperial free city.

Jun 4, 1382

Canal Grande constructed.

Jun 4, 1756

Miramare Castle built near city for Austrian archduke Maximilian.

Jun 4, 1860

Trieste becomes part of the Kingdom of Italy per Treaty of Saint-Germain-en-Laye

Jun 4, 1919

Before the war

Jun 4, 1943

September: Nazi German Operational Zone of the Adriatic Littoral headquartered in Trieste.
September: City becomes part of the Italian Social Republic.
Risiera di San Sabba Nazi concentration camp established near city.

After the war

May 1, 1945

1 May: City taken by Yugoslav forces.
2 May: German surrender to Allied forces.

City becomes part of the Free Territory of Trieste of the United Nations Security Council.

Sep 15, 1947