about tomorrow's holiday in Brazil:

April 21st we remember the life of Tiradentes, one of the leaders of an attempted revolution whose goal was freeing Brazil from Portugal in the 18th century. The guy was murdered by the government (the only one who suffered this fate) because he was the "poorest" one. Being a dentist (sort of) in 18th century wasn't being exactly poor, but the other members were rich farmers and gold mines owners, so...