This Father's Day weekend brings another, more obscure holiday in the U.S.: Flag Day. Here's what the holiday is and how and ...

In 1916, President Woodrow Wilson issued a presidential proclamation establishing a national Flag Day on June 14, according ...

Inspired by her widowed father's devotion to raising six children, Sonora Smart Dodd created this celebratory day.

Trump has ordered a military parade in DC for Army's 250th anniversary, which also falls on his 79th birthday. Which other ...