EntityQ527814· pop 30· linked from 164 articlesProtestant UnionSign in to savecoalition of Protestant German states formed on May 14, 1608 by Frederick IV, Elector Palatine and dissolved in 1621.ConnectionsGermanEntityCatholic ChurchEntityStrasbourgEntityProtestantismEntityHoly Roman EmpireEntityInternational Standard Book NumberEntityCentral EuropeEntityThirty Years' WarEntityCharles VEntityBohemiaEntityLutheranismEntityHeilbronnEntityWormsEntityReformed ChristianityEntitySpeyerEntityAalenEntityKemptenEntityMemmingenEntityFerdinand II, Holy Roman EmperorEntityEmperor Rudolf IIEntityCategories1608 establishments in the Holy Roman Empire1621 disestablishments in the Holy Roman Empire17th-century military alliances17th-century ProtestantismAnti-Catholicism in GermanyEarly modern history of GermanyElectoral PalatinateFerdinand II, Holy Roman EmperorFrederick V of the PalatinateHistory of Protestantism in GermanyOrganizations disestablished in the 1620s