Martin Luther King Jr. Day is on Monday, Jan. 20, 2025. Since it's a federal holiday, some businesses and services may be closed. Here's what to know.

Arizona leaders, including Gov. Katie Hobbs and Adrian Fontes, honored Martin Luther King Jr. with a march in Phoenix on Jan. 20, 2025.

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It was first proposed four days after King's 1968 assassination outside a Memphis motel. It took 15 years until it became a federal holiday.

Adventure seekers can enjoy a fee-free day at an Arizona state park on Monday, Jan. 20, in observance of Martin Luther King Jr. Day.

Today in AZ examines how Arizona residents can honor Martin Luther King Jr.'s life and legacy. Massive and dense structures have been discovered beneath the surface of Mars, leaving experts intrigued.

On the next "Arizona Horizon," it's a Martin Luther King Jr. Day special. We'll speak with the ASU professor who received the 2024 Martin Luther King Jr. Faculty Servant-Leadership Award.

Dr. Martin Luther King, Jr.’s legacy continues to promote and inspire equality nearly 60 years after his death.

During the 39th annual Martin Luther King Jr. celebration, city leaders and organizers express hope as President-elect Donald Trump takes office.

The life and legacy of Dr. Martin Luther King Jr. will once again be celebrated and honored Monday in events around the nation.

∎ Dr. Martin Luther King Jr. Community Celebration: Come hear the words of civil rights icon Ruby Bridges at the Spartanburg Memorial Auditorium, located on 385 N. Church St. The event will take place on Sunday, Jan. 19 at 3 p.m.

Family and others carrying on Martin Luther King Jr.'s legacy of equality, justice and nonviolent protest want Americans to remember that Monday's holiday is really about helping others.