October 7th (1542) was a Wednesday. It's the 280th day of the year (281st in leap years) in the Gregorian calendar. There are 85 days left to the end of the year.
Historical Events for 7th October, 1542
» Explorer Juan RodrÃguez Cabrillo known as Cabrillo discovers Santa Catalina Island, California e.g Santa Catalina Island off of the California coast.