Which countries on both sides of the Atlantic experienced revolutions during the late 18th and early 19th centuries?

The both sides of the Atlantic are America and Europe. In America there was the American Revolution in the US at the end of the 18th century. There were also similar revolutions in Latin American Countries in the 19th century, but they're usually called "war of Independence", not revolution.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

a because i tried to vote with just my college id and the answer was no