March 17, 2018 5:17 pm St. Patrick's Day Celebrated Around the World From green rivers in Chicago to a green Wall of China, St. Patricks Day was celebrated worldwide on March 17, 2018. US & World Videos 12:05 Heart monitors of the future could be peel-and-stick like temporary tattoos 0:30 Speak now: Sebastián Agudelo 4:25 Speak now: Sue O'Connell 4:28 Speak now: Ellie Halvorson 3:40 Speak now: Colton Bradford