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On the sign:
Emblem of Hackney LONDON BOROUGH OF HACKNEY WILLIAM SHAKESPEARE Acted at THE THEATRE built by James Burbage. Plays by Shakespeare were performed here.
The sign is located where the "The Theater" in the Hackney district stood. The building is the first permanent theater in London, built in 1576. The theater employed the Lord Chamberlain’s Men group which included William Shakespeare as a playwright and even as an actor.