March - Marprelate Controversy: Bishop Thomas Cooper's Admonition prompts Marprelate's response in the form of a tract entitled Hay any Worke for Cooper.
July - John Penry's printing press produces two tracts purporting to be by sons of Martin Marprelate, but probably by Martin himself: Theses Martinianae by "Martin Junior", and The Just Censure of Martin Junior by "Martin Senior".