(CNN) In 1983, President Ronald Reagan officially declared Martin Luther King Jr. Day a national holiday , but it wasn't until 1986 that it was celebrated that way. Since then, the holiday has allowed many Americans the day off to remember the legacy of the prominent civil rights leader. But it also makes it confusing to know what stores, services and buildings are open or closed. Here's what's open and closed on January 20, 2020. FedEx is operating, but with modified service for FedEx Express and FedEx SmartPost.

Source: CNN January 19, 2020 10:07 UTC