There were a lot of significant "Vladimirs" in Russian history.
These are the biggies - Vladimir I (The Great) - Grand Duke from
980 to 1015. Vladimir II (Monomakh) - Grand Duke from 1113 to 1125.
Vladimir Lenin - Premier of the RSFSR/USSR from 1917 to 1922.
Vladimir Putin - President of Russia from 1999 to 2008.