Charles River Editors

The Protestant Reformation is often associated most closely with Martin Luther, and it’s often considered to have started when Luther nailed his 95 Theses to the door of the Castle Church in Wittenberg on October 31, 1517.

The early history of Earth covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras....

The heroes of each generation reflect the conditions, priorities, and goals of the era in which they reside....

In 2000, The Patriot, starring Mel Gibson, captured the nation's attention with the highly dramatized story of an American patriot fighting the British in South Carolina....

Despite losing the 1948 War, Arab nations throughout the Middle East had still refused to recognize Israel’s right to exist. After the Suez Crisis, Egyptian leader Gamal Abdel Nasser envisioned creating a unified Arab world, commonly referred to as pan-Arabism....

Virtually everyone in America is familiar with theories about UFOs, or “flying saucers” as they were often called then, but even this name dates back only to 1947....

As a basic definition, it may be said that an Ice Age is simply a period of time during which thick ice sheets cover vast areas of land. These sheets have advanced and retreated, at times taking over the entire planet, and conversely disappearing nearly altogether.

Yugoslavia was arguably one of the most unusual geopolitical creations of the 20th century. The Yugoslav state had never existed in any historical sense, and the ties that bound together its constituent peoples were tenuous at best. Listen to learn more about Yugoslavia....

For nearly a thousand years following its foundation, there was only one Christian church. Centered in the city of Rome, the church expanded and grew until it became the dominant religion in Europe and beyond....

On New Year’s Day 1993, Czechoslovakia broke into two separate countries, the Czech Republic and Slovakia. Thus ended one of the creations brought about by the Treaty of Versailles after World War I, and as a country that had existed for just under 75 years....

The Pleistocene Era: The History of the Ice Age and the Dawn of Modern Humans looks at the development of the era, what life on Earth was like, and the origins of archaic humans....

Among the many stars gathered by Berry Gordy's Motown Records during the latter half of the 20th century, one of the most famous and successful was Marvin Gaye....

The FBI and J. Edgar Hoover: The History and Legacy of the Federal Bureau of Investigation Under Its First Director examines the events that led to the formation of the FBI, the most important cases it was involved in, and the controversies surrounding Hoover’s methods....

The Unification of Italy: The History of the Risorgimento and the Conflicts that Unified the Italian Nation chronicles the turbulent events and wars that unified Italy, and the struggle to maintain the new nation....

In the summer of 1992, federal agents surrounded a few acres of land isolated in Ruby Ridge, Idaho....

The Partition of Ireland and the Troubles: The History of Northern Ireland from the Irish Civil War to the Good Friday Agreement analyzes the tumultuous events that marked the creation of Northern Ireland, and the conflicts fueled by the partition....

For centuries, Christians and Muslims were embroiled in one of the most infamous territorial disputes of all time, viciously and relentlessly battling one another for the Holy Land....

“Scotch-Irish” is an American term that became popular in the latter 1800s, referring to the largely Protestant immigrants to the United States originating in the northern Irish province of Ulster....

He was the only sitting member of the House of Representatives elected President to date, but he served only about half a year in the office. He was the second president in less than 20 years felled by an assassin’s bullet....

The reign of the Khmer Rouge, a Cambodian communist regime, began on April 7, 1975 as Khmer Rouge militants entered the Cambodian capital of Phnom Penh, ultimately gaining control and forcing out its residents....