In the 1950s, a journalist named Roberto Marino and his colleague, Sylvio Behring, (not the jiu-jitsu expert!) named the second day in August “Dia dos Pais.”
Whether or not this story is true, Father’s Day does happen to be one of the most consumer-driven holidays in Brazil, so perhaps Behring’s tactic worked!
If the family is Catholic, they may start the day with Sunday Mass. Then, a special lunch will be prepared, or the family may go to a favorite restaurant.