Monday will be an especially noteworthy day on America’s calendar — and it’s one that will be marked by various closings, including that of financial markets. For starters, it’s Martin Luther King Jr.

Major stock and bond markets will close on Monday in observance of Martin Luther King Jr. Day. Monday will also bring a presidential inauguration.

Here's what you need to know about whether U.S. stock markets will be open on Martin Luther King Jr., Day this year.