Dec 1 Takeda Shingen, Japanese warlord of Kai Province (1541-73) known as the "Tiger of Kai", born in Kai Province, Japan (d. 1573) Dec 13 Pope Sixtus V [Felice Piergentile], Pope of the Catholic Church (1585-90), born in Grottammare, Papal States (d. 1590) 1520 Famous Birthdays by Year 1522