The Late Middle Ages-the two centuries from c. 1300 to c. 1500 - might seem like a distant era, but students of history are still trying to reach a consensus about how it should be interpreted. Was it an era of calamity or rebirth? Was it still clearly medieval or the period in which humanity took its first decisive steps into modernity? These 24 provocative lectures introduce you to the age's major events, personalities, and developments, and arms you with the essentials you need to form your own ideas about this age of extremes.

What were the forces that led to one of history's most protracted and legendary periods of conflict? How did they affect the three great civilizations that participated in them? And, ultimately, why did they end and what did they accomplish? In these 36 lectures, you'll look at the "big picture" of the Crusades as an ongoing period of conflict involving Western Christendom (we would now call it Western Europe), the Byzantine Empire, and the Muslim world.

Few periods of history offer such captivating complexity as Europe in the long 19th century between 1789 and 1914. From the idealism of the French Revolution to the power of the Industrial Revolution to the chaos of World War I, this fascinating whirl of events, personalities, and forces formed the foundation for the modern world.

Byzantium is too-often considered merely the "eastern rump" of the old Roman Empire, a curious and even unsettling mix of the classical and medieval. Yet it was, according to Professor Harl, "without a doubt the greatest state in Christendom through much of the Middle Ages," and well worth our attention as a way to widen our perspective on everything from the decline of imperial Rome to the rise of the Renaissance.

Many of us know the Black Death as a catastrophic event of the medieval world. But the Black Death was arguably the most significant event in Western history, profoundly affecting every aspect of human life, from the economic and social to the political, religious, and cultural. In its wake the plague left a world that was utterly changed, forever altering the traditional structure of European societies and forcing a rethinking of every single system of Western civilization: food production and trade, the church, political institutions, law, art, and more.

Centuries have passed since the last crusader knight laid down his sword, but the Crusades continue to hold sway over our world. Because the Crusades have been so consequential to history, it's essential to understand the context, motivations, and preconditions of these dramatic military campaigns. In doing so, you'll not only get a fresher understanding of the Crusades, you'll discover surprising truths about why (and how) they were fought.

Alexander the Great-one of the most renowned figures in antiquity-has inspired everything from medieval romances to blockbuster movies, and military leaders from Julius Caesar to Napoleon to the U.S. general Norman Schwarzkopf. But who was this great king of Macedon? And why is he so legendary? These 36 spellbinding lectures take you deep inside the world of Alexander to witness the astonishing feats of military genius that made his name renowned for millennia after his death.

The Peloponnesian War pitted Athens and its allies against a league of city-states headed by Sparta. The ancient Greek historian Thucydides captured this drama with matchless insight in his classic eyewitness account of what was arguably the greatest war in the history of the world up to that time. These 36 half-hour lectures draw on Thucydides' classic account as well as other ancient sources to give you a full picture of the Greek world in uneasy peace and then all-out war in the late 5th century B.C.

Between 1348 and 1715, western Europe was fraught with turmoil, beset by the Black Plague, numerous and bitter religious wars, and frequent political revolutions and upheavals. Yet the Europe that emerged from this was vastly different from the Europe that entered it. By the start of the 18th century, Europe had been revitalized and reborn in a radical break with the past that would have untold ramifications for human civilization.

Beginning with the Renaissance, the culture of the West exploded. Over the next 600 years, rapid innovations in philosophy, technology, economics, military affairs, and politics allowed what had once been a cultural backwater left by the collapse of the Roman Empire to dominate the world. This comprehensive series of 48 lectures by an award-winning teacher and captivating lecturer will show you how - and why - this extraordinary transformation took place.

Explore the dramatic interaction between Judaism, Christianity, and paganism in Rome from the 1st to the 6th centuries. Why did pagan Rome clash with the early Christians? What was it like to be a Jew or a Christian under Roman law? And how did Christianity ultimately achieve dominance in the Roman Empire?Over the course or 24 lectures, Professor Harl enables you to grasp the full historical sweep of this critically important era and its key figures.

Edward Gibbon's Decline and Fall of the Roman Empire painted a portrait of the Roman Empire in a long, debilitating slide to oblivion, but now historians have reevaluated this picture to create a radically different understanding of the period now known as "late antiquity." Far from being a period of decline and fall, late antiquity marked one of history's great turning points.

With this exciting and historically rich six-lecture course, experience for yourself the drama of this dynamic year in medieval history, centered on the landmark Norman Conquest. Taking you from the shores of Scandinavia and France to the battlefields of the English countryside, these lectures will plunge you into a world of fierce Viking warriors, powerful noble families, politically charged marriages, tense succession crises, epic military invasions, and much more.

For 3,000 years, mankind has grappled with fundamental questions about life. What is real? Who or what is God? When is it legitimate for one person to have power over others? What is justice? Beauty? This 84-lecture, 12-professor tour of Western philosophical tradition covers more than 60 of history's greatest minds and brings you a comprehensive survey of the history of Western philosophy from its origins in classical Greece to the present.

Between 1937 and 1945, approximately 55 million people perished in the series of interrelated conflicts known as the Second World War. No continent was left untouched, no ocean unaffected. The war led to the eclipse of Europe and the emergence of the United States and the Soviet Union as global superpowers; ushered in the atomic age; produced, in the Holocaust, the most horrific crime ever committed in the history of Western civilization, and led to the end of Europe's colonial empires around the world.