Peter the Great was the Russian tsar most known for being the first to westernize Russia.
The Russian tsar most known for westernizing Russia was Peter the Great. To arrive at this answer, we can eliminate Catherine the Great and Nicholas II right away as they were not associated with the process of westernization. Leaving us with Ivan the Terrible and Peter the Great. Although Ivan the Terrible played a role in modernizing Russia, Peter the Great is widely recognized as the tsar who made groundbreaking efforts in westernizing the country. His reign from 1682 to 1725 saw major reforms in various areas like government, military, education, industry, and culture, all with the intention of making Russia more aligned with the Western European states of that time.
The Russian Tsar who is most known for being the first to westernize Russia is Peter the Great.
