National Vietnam War Veterans Day is a US holiday observed annually
on March 29th to recognize veterans who served in the U.S. military
during the Vietnam War. On March 28, 2017, President Trump signed
the Vietnam War Veterans Recognition Act of 2017.

Martin Luther King Jr. (January 15, 1929 – April 4, 1968)

Today is Martin Luther King Jr. Day (officially the Birthday of Martin Luther King, Jr., and sometimes referred to as MLK Day) is a federal
holiday marking the birthday of Martin Luther King Jr. It is observed
on the third Monday of January each year, which is around King’s birthday, January 15. The holiday is similar to holidays set under
the Uniform Monday Holiday Act. The earliest Monday for this
holiday is January 15 and the latest is January 21.

Marchers gather at the Martin Luther King Memorial for a silent
walk to a prayer service on the National Mall in Washington DC.

A couple walking by the Tomb of the Unknown Soldier on May 1943.

  
Today is known as Veterans Day. It originated with Armistice Day observances marking the anniversary of the 1918 end of World War I, which became an
official holiday in the 1930s. In 1954, the U.S. Congress officially turned
Armistice Day into Veterans Day.