As Americans mark Presidents’ Day, millions around the world are welcoming Lunar New Year—one of the most culturally significant holidays of the year. In the United States, it’s one of our annual holidays today, Presidents’ Day, which celebrates the dozens of American presidents we’ve had over the centuries. But on the other side of the world, an even larger holiday is kicking off: Chinese New Year. Here’s what you need to know about the festival and its importance to the millions of Chinese Americans in the United States.