1780s

File:1780s montage.jpg|thumb|335x335px|From top left, clockwise: The fall of the Bastille propelled the start of the French Revolutionary War, a war that will eventually influence global politics by the birth of democracy in governments, and conceive the idea of republicanism worldwide; The first hydrogen balloons flew successfully this decade by Jacques Charles and Nicolas-Louis Robert; George Washington becomes president of the United States of America. His ascension into office marked him as America's first president; The United States Constitution is signed in Philadelphia by delegates of