The Russo-Kazan Wars refers to a series of wars fought between the Khanate of Kazan and Muscovite Russia in the fifteenth and sixteenth centuries, until Kazan is finally captured by Ivan the Terrible and absorbed into Russia in 1552.
“The longer you can look back, the farther you can look forward...This is not a philosophical or political argument—any oculist will tell you this is true. The wider the span, the longer the continuity, the greater is the sense of duty in individual men and women, each contributing their brief life's work to the preservation..."