6th - 7th century
Umag was a part of the Odoacer, Theodoric and Langobard kingdoms; under the Byzantine rule from the 6th to 8th century, and then it was governed by the Franks.
7th century
Umag was first mentioned by the unknown Ravenna inhabitant in the 7th century, but the village had already existed during the Roman period what is witnessed by the Roman country houses’ remains.
10th century
town walls with a gate and a drawbridge were built
1269
Umag borough swore allegiance to Venice which had been choosing the heads of boroughs among its noblemen up to 1797.
1370
A Genovese fleet attacked Umag in 1370 and destroyed the town archives in the process.
1507
St. Rocco's Church was built, with an 18th century wooden painted ceiling inside it.
1815 - 1918
Umag, as well as the entire Adriatic coast, fell under the French rule and remained in that position until 1815, when Austria became the new ruler that lasted until 1918.
WW1 and WW2
With the World War I ending, Istria fell under the Italian rule. The increase in the Trieste crisis after World War 2 resulted in temporary establishment of the Free Territory of Trieste. Umag was in zone B, ruled by the then Yugoslav army.
1954
Umag became a part of the Republic of Croatia.
1993
Umag became an independent municipality.
1997
Umag was awarded the status of a town.