August 29, 1618 – May 13, 1619

Johan van Oldenbarnevelt is arrested and later beheaded in the Dutch Republic

Johan van Oldenbarnevelt, chief architect of the Twelve Years' Truce and protector of the Remonstrants, is imprisoned on 29 August 1618 and beheaded on 13 May 1619, four days after the Synod of Dort closes. Hugo Grotius gets a life sentence.