What's the Kennection? #313

In Dante's Paradiso, what lady of "infinite sweetness" is his guide to Heaven?

What battle did William the Conqueror win on October 14, 1066 to begin the Norman Conquest of England?

What famed mental hospital on Manhattan's Lower East Side was once home to Mark David Chapman and Edie Sedgwick?

In what Spielberg movie did David Strathairn and Jared Harris play William Seward and Ulysses Grant, respectively?

Which of the D-Day beach code names was also the last word spoken by Peyton Manning at his retirement press conference?

What's the "Kennection"?