President Trump announced Monday that he'll light the White House blue to honor police officers for Monday's Peace Officer Memorial Day.

The president signed a proclamation Monday declaring the day "Peace Officer Memorial Day" and the upcoming week "Police Week." At the signing ceremony, Trump said that he would also request that American flags fly at half-mast to memorialize fallen officers, according to a pool report.

"During Peace Officers Memorial Day and Police Week, we honor the men and women of law enforcement who have been killed or disabled in the course of serving our communities. Police officers are the thin blue line whose sacrifices protect and serve us every day, and we pledge to support them as they risk their lives to safeguard ours," Trump said in the text of the proclamation.

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The document goes on to note that out of the 118 officers who died on duty last year, 66 were "victims of malicious attacks." That represents an increase of almost 40 percent from the previous year, according to the administration.

Presidents sometimes light up the iconic residence to promote various causes. Trump previously lit the White House blue in recognition of World Autism Awareness Day. And former President Barack Obama Barack Hussein ObamaGOP senator blocks Schumer resolution aimed at Biden probe as tensions run high D-Day for Trump: September 29 Obama says making a voting plan is part of 'how to quarantine successfully' MORE lit the White House in a rainbow pattern to celebrate the Supreme Court's decision legalizing gay marriage nationwide.