On Monday evening, police dressed in riot gear clashed with peaceful protesters near the White House. At around 6:30 p.m. local time, the DC National Guard troops and other law enforcement pushed peaceful protesters out of Lafayette Square using some form of chemical deterrent, rubber bullets, shields, and horses. Trump spoke in the Rose Garden at 6:44 p.m. local time, Business Insider previously reported.According to WRC, despite the presence, hundreds of protesters demonstrated peacefully. According to The New York Times, the park superintendent was also not notified ahead of time. According to WUSA9, the National Mall was defaced, and phrases like Yall not tired yet? were spray-painted on the Lincoln Memorial, and Do black vets count? was written on the World War II Memorial. On Monday, Trump gave an ominous and curt address in the Rose Garden threatening military intervention in nationwide protests, Business Insider previously reported.Today I have strongly recommended to every governor to deploy the National Guard in sufficient numbers that we dominate the streets, Trump said.Mayors and governors must establish an overwhelming law-enforcement presence until the violence has been quelled, he added. If a city or state refuses to take the actions that are necessary to defend the life and property of their residents, then I will deploy the United States military and quickly solve the problem for them.Other states and major cities have also seen protests and had the National Guard called in to assist local law enforcement.National Guard members rolled into Los Angeles over the weekend, after many businesses were destroyed, Business Insider previously reported.Source: WAMUThe site itself, as Dr. King points out in his speech, memorializes President Abraham Lincoln who issued the Emancipation Proclamation that decreed in 1863 that enslaved people in the southern states that rebelled during the Civil War are, and henceforward shall be free.