Year 1518 (MDXVIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events of 1518 January - June April 18 - Bona Sforza is crowned as Queen of Poland. May 26 - A Transit of Venus occurs. July - December October 3 - The Treaty of London temporarily ensures peace in Western Europe. November 10 - Catherine of Aragon gives birth to a daughter, who dies shortly afterwards. Undated A plague of tropical fire ants devastates crops on Hisp… (More on 1518)