What is to come on this year’s Inauguration Day is to be determined, but from President Donald Trump to President Ronald Reagan, let’s take a look at the past 40 years of inaugurations. Jan. 20, 2017: Inauguration Day for President Donald TrumpPeople gather on the National Mall on Inauguration Day Jan. 20, 2017, in Washington, D.C. (2017 Getty Images)The presidential motorcade drives down Pennsylvania Avenue toward the U.S. Capitol on Jan. 20, 2017 in Washington, DC. (2017 Getty Images)Anti-Trump protesters stand during a demonstration on Jan. 20, 2017, in Washington, D.C. (Getty Images)American singer Aretha Franklin (1942 - 2018) performs at Barack Obama's Presidential Inauguration ceremony in Washington D.C. on Jan. 20, 2009. Bush, during his Inaugural ceremonies in Washington, D.C. on Jan. 20, 2001.