The first inauguration of Ronald Reagan as the 40th president of the United States was held on Tuesday, January 20, 1981, at the West Front of the United States Capitol in Washington, D.C. This was the first inauguration to be held on the building's west side. This was the 49th inauguration and marked the commencement of Ronald Reagan's and George H. W. Bush's first term as president and vice president, respectively.

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