I always thought the cruzado and cruzeiro were references to the Southern Cross (Cruzeiro do Sul), but apparently at least the former wasn't intended that way b

I always thought the cruzado and cruzeiro were references to the Southern Cross (Cruzeiro do Sul), but apparently at least the former wasn't intended that way because the cruzado was a currency unit in Portugal before the beginning of the Portuguese colonization of Brazil. https://en.wikipedia.org/wiki/Portuguese_real#Coins https://en.wikipedia.org/wiki/Portuguese_real#Coins