Rio de Janeiro translates to "January River" in English. When the first explorers landed in Rio in January, they mistook the bay they arrived at (today known as Guanabara Bay) for the entrance of a river.
Rio de Janeiro translates to "January River" in English. When the first explorers landed in Rio in January, they mistook the bay they arrived at (today known as Guanabara Bay) for the entrance of a river.