Blaise Pascal's poor health forces him to retire from the study of mathematics.
Parliament appoints a commission for the propagation and preaching of the gospel in Wales, advised by Vavasor Powell.
Despite the official prohibition against stage plays, theatrical manager and promoter William Beeston finances repairs to the Cockpit Theatre and attempts to assemble and train a company of young actors. His effort is unsuccessful.
Plagiarist Robert Baron publishes his Pocula Castalia, stealing mainly from the minor poems of John Milton issued in 1645.