The third Sunday in June is Father’s Day became a permanent national holiday when President Richard Nixon signed it into law in 1972. The tie business went through the roof every June after that. Economists estimate that Americans spend more than $1 billion each year on Father’s Day gifts. Did you know? There are more than 70 million fathers in the United States. Author Cian Cruise celebrates fatherhood with, Dad Bod: Portraits of Pop Culture Papas. Let’s celebrate dads in pop culture!