September 17, 2020 Constitution Day History Constitution Day Q&A Learn more about the Constitution from the Department of History's Katherine Unterman. September 15, 2020 Cobbs Constitution Day History Constitution Day: Hamilton edition To prepare for Constitution Day, revisit our story featuring history professor Elizabeth Cobbs! September 17, 2019 Cobbs Constitution Day History Constitution Day: Hamilton edition For Constitution Day, Elizabeth Cobbs, New York Times best-selling author of The Hamilton Affair, gives an inside look at the foundational, but little-known, role that Alexander Hamilton played in the creation of the U.S. Constitution.