Introduction

G rand duchy of Moscow also the Muscovy exist ed in central Russia from the late 14th to mid-16th cent ury. Russian broke up into separate political units at that period of time and Vladimir-Suzdal was the most important as well as most famous one. The rulers of Vladimir were the only Russian princes who bore the title grand duke, and they were regarded as suzerains of the other princes. The Muscovy period of time because they set up the new religion and have a big impact on the history.