Vladimir Putin: How an average student became one of the world’s most feared men

Russian President Vladimir Putin escalates invasion of Ukraine

War in Ukraine: Putin announces new military mobilization

Putin: Russia ready to use "more military means" in Syria if needed

Putin announces partial mobilization of Russian military

Biden, Russia's Putin deliver vastly different speeches

WATCH: Putin’s speech revealed no signs that he is planning to escalate the war in Ukraine, according to UCL’s Aglaya Snetkov.