Ronald Reagan was the 40th President of the United States, serving from 1981 to 1989. Before his presidency, he was a Hollywood actor and the Governor of California. Reagan is known for his conservative policies, economic reforms, and efforts to end the Cold War, particularly through his relationship with Soviet leader Mikhail Gorbachev. Reagan's presidency was marked by significant events such as the Iran-Contra affair and the establishment of the Strategic Defense Initiative. His charismatic communication style earned him the nickname 'The Great Communicator,' and he remains a prominent figure in American political history.