Sonora's father was born in June, so she chose to hold the first Father's Day celebration in Spokane, Washington on the 19th of June, 1910. President Calvin Coolidge, in 1924, supported the idea of a national Father's Day.
It's hard to define blues. On a literal angle, it's the dance you do to blues music, generally involving lots of improvisation, closeness, and hip movements. While swing and blues have basics, frames, and moves... blues doesn't.
Blues is the name given to both a musical form and a music genre [ 57 ] that originated in African-American communities of primarily the  Deep South  of the United States at the end of the 19th century from spirituals , work songs , field hollers , shouts and chants , and rhymed simple narrative ballads .