 Serbian troops from the Voivodship then joined the Habsburg army and helped in crushing the revolution in the Kingdom of Hungary.After the defeat of the Hungarian revolution, by a decision of the Austrian emperor, in November 1849, an Austrian crown land known as the "Voivodship of Serbia and Tamiš Banat" was formed as the political successor of the Serbian Voivodship.The crown land consisted of the parts of Banat, Bačka and Srem regions.