Which London theatre was the first public building in the world to be lit entirely by electricity?

The Savoy Theatre is a West End theatre in the Strand in the City of Westminster, London, England. The theatre opened on 10 October 1881 and was built by Richard D'Oyly Carte on the site of the old Savoy Palace as a showcase for the popular series of comic operas of Gilbert and Sullivan, which became known as the Savoy operas as a result.

The theatre was the first public building in the world to be lit entirely by electricity. For many years, the Savoy Theatre was the home of the D'Oyly Carte Opera Company, which continued to be run by the Carte family for over a century. Richard's son Rupert D'Oyly Carte rebuilt and modernised the theatre in 1929, and it was rebuilt again in 1993 following a fire.

In addition to "The Mikado" and other famous Gilbert and Sullivan premières, the theatre has hosted such premières as the first public performance in England of Oscar Wilde's "Salome" (1931) and Noël Coward's "Blithe Spirit" (1941). In recent years it has presented opera, Shakespeare and other non-musical plays, and musicals.