in General Knowledge Christopher Columbus thought he saw mermaids in 1493… by Web Desk December 28, 2016, 4:08 pm 522 Views Christopher Columbus thought he saw mermaids in 1493, but from his description, they were probably manatees. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *