The Empire State Building celebrated, mourned and marked special anniversaries with the people of New York in 2015.

The iconic building started the year on a somber note as it marked the tragic deaths of two NYPD officers and the passing of former New York Gov. Mario Cuomo.

But it also celebrated lighter occasions, like the U.S. Women's National Soccer Team's World Cup victory and the Subway Series between the Yankees and Mets.

See some of the most memorable Empire State Building lightings of 2015.

Jan. 4: Grieving 2 slain NYPD officers

The Empire State Building shone blue with a
The Empire State Building shone blue with a siren in the mast on Jan. 4 to honor NYPD officers Rafael Ramos and Wenjian Liu, who were killed in the line of duty on Dec. 20, 2014. (Credit: Empire State Building)

Jan. 6: Mourning Mario Cuomo

Former New York Gov. Mario Cuomo died Jan.
Former New York Gov. Mario Cuomo died Jan. 1, 2015. The Empire State Building was lit blue and gold on Jan. 6 to honor his memory. (Credit: Empire State Building)

Jan 19: Honoring Martin Luther King, Jr.

The Empire State Building shone red, black and
The Empire State Building shone red, black and green on Jan. 19 for Martin Luther King, Jr. Day, which honors the civil rights leader who was gunned down on April 4, 1968. (Credit: Empire State Building)

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April 12: Celebrating the Fire Chiefs Association

The Empire State Building was red, white and
The Empire State Building was red, white and blue on April 12 to celebrate the 100th anniversary of the New York City Fire Department Fire Chiefs Association. (Credit: Empire State Building)

April 14: Standing with #BringBackOurGirls

Purple and red lights called attention to #BringBackOurGirls
Purple and red lights called attention to #BringBackOurGirls on April 14, one year after Boko Haram terrorists kidnapped more than 270 girls from their school in Nigeria.

May 1: Celebrating 2 big days

The Empire State Building celebrated two happy occasions
The Empire State Building celebrated two happy occasions on May 1 -- its own 84th birthday and the opening of the new Whitney Museum. (Credit: Empire State Building)

May 4: Dressing up for the Met Gala

The Empire State Building looked glam as it
The Empire State Building looked glam as it celebrated the 2015 Met Gala on May 4. (Credit: Empire State Building)

June 28: Celebrating Pride Week

The Empire State Building stood with LGBTQ New
The Empire State Building stood with LGBTQ New Yorkers on June 28 for New York City Pride Week. (Credit: Empire State Building)

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July 10: Supporting the women's soccer team

The Empire State Building celebrated the U.S. Women's
The Empire State Building celebrated the U.S. Women's National Soccer Team's World Cup victory on July 10. (Credit: Empire State Building)

Aug. 1: Raising awareness for endangered species

The Empire State Building raised awareness for endangered
The Empire State Building raised awareness for endangered species with these awesome images of animals on Aug. 1. (Credit: Empire State Building)

Sept. 18-20: Cheering on New York's MLB teams

The Empire State Building didn't show bias when
The Empire State Building didn't show bias when it celebrated the Subway Series between the Yankees and Mets from Sept. 18-20. (Credit: Empire State Building)

Nov. 14: Standing in solidarity with Paris

The Empire State Building went dark in solidarity
The Empire State Building went dark in solidarity with France after terrorists attacked Paris a day before. (Credit: AFP / Getty / Jewel Samad)