January 18 is a federal holiday in the United States. This is the day when they commemorate Martin Luther King Jr. Day. It is being celebrated on the third Monday of January of every year. This was first observed on the year 1986. However, this was not celebrated in all states just yet. It has been commemorated in all states of the United States only in the year 2000.
Martin Luther King leads a peaceful activist movement for human rights. One of the issues at hand during his time was racial concerns. Some education establishments and institutions mark this day in teaching their students the works of Martin Luther King, Jr.