Mary I

Mary I is the ninth monarch of Sweden and the third York ruler. She took over as Regent on 13 February 1573 after her husband Gustav III died unexpectedly. She stepped down on 27 January 1577.

Early Life

 * Blah
 * Married Johan III
 * Married Gustav III

Rule
On 13 February 1573, Gustav III died while besieging Vilnius in the Vengeance War. Queen Mary thus took over as Regent for Charles.