England declared as a Republican 'Commonwealth'. An Act adopted by the Long Parliament

"An Act declaring England to be a Commonwealth"

Related events

	Name	Date	Languages
1	English Restoration: A faction of the British Army removes Richard Cromwell as Lord Protector of the Commonwealth and reinstalls the Rump Parliament	05.05.1659	en
2	English Interregnum: The Protectorate – Oliver Cromwell becomes Lord Protector of the Commonwealth of England, Scotland and Ireland	16.12.1653	en, pl
3	The English Parliament re-established Catholicism	12.11.1555	en, lv