This Week on History Happy Hour: One thousand years ago, Native American cities in North America rivaled urban centers around the world in size and scope. But has the surprising history of Native Americans has been obscured by historians’ intent on minimizing the role of their still thriving societies?

Chris and Rick talk about one thousand years of Native American history with Kathleen DuVal, author of Native Nations: A Millennium in North America,” a book The Wall Street Journal calls “An essential American history.”

This Week on History Happy Hour: Between 1199 and 1399, English politics was high drama. These two centuries witnessed savage political blood-letting – including civil war, deposition, the murder of kings and the ruthless execution of rebel lords.

Chris and Rick discuss did into this tumultuous period with Dr. Caroline Burt and Richard Partington, authors of Arise, England: Six Kings and the Making of the English State. How did these six Plantegenet Kings, colorful and complicated, manage the development of an English state that would become one of the leading nations in the world.

Richard Partington is Senior Tutor at St. John's College, Cambridge. An Affiliated Lecturer in the Cambridge Faculty of History, he teaches medieval British politics and has written and broadcast on politics, war, law and crime in the fourteenth century, especially during the rule of Edward III (1327-77).

This Week on History Happy Hour: A close-up look at how WWII looked to combat nurse Lt. Mary Elizabeth Balster, who spent months caring for the sick and wounded just behind the front lines of General Patton’s Third Army.

In this encore episode, Chris and Rick welcome NCR Davis, Lt. Balster’s daughter, and author of For the Boys: The War Story of a Combat Nurse in Patton’s Third Army. The true story of a richly rebellious and intense woman trying to navigate her life and nurture her sanity while nursing the wounded and dying.

Sunday at 4PM ET on History Happy Hour, where history is always on tap.