Father's Day Fast Facts - CNN.com June 11, 2013 -- Updated 1535 GMT (2335 HKT) (CNN) -- Here is what you need to know about Father's Day, celebrated the third Sunday in June. Facts: June 16, 2013 - Father's Day. Father's Day is the fourth-largest card-sending occasion with 93 million cards given every year. 50 percent of all Father's Day cards are purchased for fathers. Almost 15 percent of Father's Day cards are given to husbands. Two top-selling categories are "Dad from Daughter" and "Dad From Both." The U.S. Census Bureau estimates there were 189,000 stay-at-home dads in 2012 taking care of children while a spouse worked outside the home. Sonora Louise Smart Dodd of Spokane, Wash., is credited with starting Father's Day after hearing a sermon on Mother's Day. Dodd wanted to honor her father William Jackson Smart, a widower who raised six children on his own. Timeline: 1910 - Spokane celebrated the first Father's Day on June 19, the anniversary of William Jackson Smart's birthday. 1924 - President Calvin Coolidge publicly supported plans for a national Father's Day. 1966 - President Lyndon Johnson proclaimed Father's Day to be an official national holiday. 1972 - President Richard Nixon signed into law a permanent U.S. Father's Day to be observed on the third Sunday of June.