Year 1484 was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar). Events of 1484 March 26 - William Caxton, the first printer of books in English, prints his translation of Aesop's Fables. July 6 - Portuguese sea captain Diogo Cão finds the mouth of Congo River. July 22 - Battle of Lochmaben Fair: A 500-man raiding party led by Alexander Stewart, Duke of Albany and James Douglas, 9th Earl of Douglas is defeated by forces loyal to Albany's… (More on 1484)