The Cathedral of Vasily the Blessed, commonly known as Saint Basil's Cathedral, is a church in the Red Square in Moscow, Russia. The building, now a museum, is officially known as the Cathedral of the Intercession of the Most Holy Theotokos on the Moat or Pokrovsky Cathedral. It was built from 1555–61 on orders from Ivan the Terrible and commemorates the capture of Kazan and Astrakhan.