1278 Michael IX Palaeologus, co-ruling Eastern Roman Emperor (d. 1320) was born on this day in history.
1539 On April - 17 birth of tobias Stimmer, Swiss painter/cartoonist (Comedia)
1573 Maximilian I, duke/ruler of Bayern (Catholic League) was born on April - 17.
1573 Maximilian I, Elector of Bavaria (d. 1651) was born on April - 17.
1586 John Ford, English dramatist ('Tis Pity She's a Whore) was born on April - 17.
1587 Marco Ivan Lukacic, composer was born on April - 17.
1598 Giovanni Riccioli, Italian astronomer (d. 1671) was born on this day in history.
1620 Marguerite Bourgeoys, founder of the Congregation of Notre Dame (d. 1700) was born on this day in history.
0326 On April - 17 death of alexander of Alexandria, Patriarch of Alexandria
0485 On this day in history proclus, Greek mathematician, dies in Athens [or Apr 14]
0617 Death of Donnán of Eigg, Celtic Christian martyr, patron saint of Eigg on this day in history.
0818 On this day in history bernhard I, King of Italy, dies
0858 Benedict III, Italian Pope (855-58), dies on April - 17.
1080 On this day in history death of king Harald III of Denmark (b. 1041)
1272 Zita/Cita, Italian maid/saint, dies at about 59 on this day in history.
1297 On this day in history willem van Afflighem, Flemish poet/abbot St Truiden, dies at about 86