Premise: Ronald Reagan is a bronze sculpture depicting the American politician of the same name by Chas Fagan, installed at the United States Capitol's rotunda, in Washington, D.C., as part of the National Statuary Hall Collection. The statue was donated by the U.S. state of California in 2009, and replaced one depicting Thomas Starr King, which the state had gifted in 1931.
Hypothesis: California gifted Thomas Starr King in the fourth decade of last century.