Outbreak of the Hussite Wars

Timeline

1. 1419Prague · PragueAfter the Defenestration, the Hussites controlled Prague; Jan Žižka and others organized armed self-defense, and reformists across Bohemia rose in response.
2. 1419–1420Bohemia · BohemiaBohemian King Sigismund, with papal support, called for a crusade against the Hussites. In 1420 the Hussites successfully repelled the first expedition at Prague and elsewhere, and the war entered a stalemate.
3. 1420–1421Prague · PragueThe Hussites established the Four Articles of Prague as their political and religious program, formed military groups such as the Taborites and Orphans, and repeatedly defeated the crusaders with wagon-fort tactics.