St. Basil's Cathedral in Moscow, Russia was built between 1555-1561 by order of Ivan the Terrible to commemorate Russia's defeat of the Khanate of Kazan. It is located in Red Square near the Kremlin. The cathedral was originally white with gold onion domes, but it acquired more decorative elements over time. It has eight towers representing the eight days of the Siege of Kazan and nine churches total, with the central one commemorating Basil the Blessed.