Multiple choice Which south American city's name literally means 'river of january' in spanish? Rio de Jeneiro Buenos Aires Acapulco Reinda Janericho Reveal answer Fill a bubble to check yourself A Correct answer Explanation Rio de Janeiro's name means 'River of January' in Portuguese (not Spanish). It was named in January 1502 when Portuguese explorers discovered Guanabara Bay and mistook it for a river mouth.