claim: Maria Theresa reigned for 40 years.
evidence: The epithet the Steadfast may refer to  :. epithet. epithet. John , Elector of Saxony -LRB- 1468-1532 -RRB-. Selim I -LRB- 1465 / 1466 / 1470 -1520 -RRB- , Sultan of the Ottoman Empire. Selim I. Selim I. Hurin , a fictional character in J. R. R. Tolkien 's Middle Earth. Hurin. Hurin. Category  : Epithets. Category  : Lists of people by nickname