Disestablishment

n.	1.	The act or process of unsettling or breaking up that which has been established; specifically, the withdrawal of the support of the state from an established church; as, the disestablishment and disendowment of the Irish Church by Act of Parliament.
	2.	The condition of being disestablished.

Noun

1.

disestablishment - the act terminating an established state of affairs; especially ending a connection with the Church of England

disestablish, group action