Tsardom of Russia: flag of 1600

Period: Around 1600, with the Spanish Empire at its height
Held land in: Europe · Asia
Accuracy: Approximate: Ivan the Terrible's banner of the Saviour (Kazan campaign, 1552), from his Illustrated Chronicle: the tsardom flew religious and military banners, with no single flag.
Source of the drawing: Wikimedia Commons · Licence: CC BY-SA 3.0 · Author: Лобачев Владимир

Other flags of 1600