Armed Forces Day

Armed Forces Day is on the third Saturday of May, themes, May units, holiday, activities, teaching themes, thematic theme unit, books, poems, history, facts, projects, lesson plans, resources, ideas, fun projects, and more resources at http://mrscjacksonsclass.com/armedforcesday.htm

Each branch of the military had their own day of celebration. But, on August 31, 1949 then Secretary of Defense Louis Johnson announced the creation of Armed Forces Day. President Harry Truman also announced the holiday in a presidential proclamation on February 20, 1950. All branches of the military were asked to celebrate on this day and they complied on the first Armed Forces Day which was held the following year on May 20, 1950.
Source: http://www.holidayinsights.com/other/afd.htm