2021 North Carolina - The first public institution of higher learning in the United States	2021 New York - The Erie Canal	2021 Virginia - The Chesapeake Bay Bridge-Tunnel
2021 New Hampshire - Ralph Baer, the Father of Video Games	2020 South Carolina - Septima Poinsette Clark	2020 Maryland - Hubble Space Telescope
2020 Massachusetts - the invention of the telephone	2020 Connecticut - Gerber Variable Scale	2019 Delaware - The System for Slassifying the Stars - Annie Jump Cannon
2019 Georgia - The First Agricultural Experimental Garden in America	2019 New Jersey - The Development of a Lightbulb	2019 Pennsylvania - The creation of a vaccine to prevent polio
2018 American Innovators - Introductory Coin