Misc: Who was the world's longest reigning monarch?

Questions

Gregorian calendar introduced in Italy, other Catholic countries.?

Louis Lumiere with brother Auguste made 1st motion picture in 1895, born.?

Last day of Julian calendar in Alaska.?

Ray Kroc Illinois, founder of MacDonalds/baseball team owner (San Diego Padres), born.?

Bulgaria declares independence from Turkey, Ferdinand I becomes Tsar.?