How Rachel Carson’s ‘Silent Spring’ Awakened the World to Environmental PerilCarson’s 1962 bestseller first warned the public about the devastating effects of chemical pesticides—and started a revolution.Read more
How Was the US Involved in WWII Before Pearl Harbor?Before formally entering World War II, FDR came up with a few key strategies to provide critical aid to allies in Europe in the fight against Hitler’s Nazi Party.Read more
4 Key Moments That Forced Americans to Confront Climate ChangeOver the course of a few decades, a number of jarring events in the U.S. have highlighted major consequences of climate change.Read more
The 1929 St. Valentine’s Day Massacre: 5 Unsolved MysteriesIt’s the most spectacular unsolved crime in gangland history. Mobster Al Capone had an airtight alibi.Read more
How the World Learned to Manage the FluSince the 1940s, the World Health Organization has worked with different countries to keep the flu endemic by identifying strains and watching for signs of a pandemic.Read more
How Mussolini Seized Power in Italy—And Turned It Into a Fascist StateMussolini, who coined the term fascism, crushed opposition with violence and projected an image of himself as a powerful, indispensable leader.Read more
What’s the Difference Between Easter and Orthodox Easter?The holidays both celebrate the resurrection of Jesus Christ, but have some different traditions and are based on different calendars.Read more
When the CIA Used ‘Dr. Zhivago’ as a Cold War WeaponDeclassified Cold War-era documents reveal how the Central Intelligence Agency used the epic novel Dr. Zhivago as a tool to undermine the Soviet Union.Read more
7 Sports of Ancient GreeceAncient Greek athletes competed in individual sports that placed physical prowess on display.Read more
How the American Revolution Spurred Independence Movements Around the WorldAfter the Revolutionary War, a series of revolutions took place throughout Europe and the Americas.Read more
How Teddy Roosevelt Supported Women’s RightsTheodore Roosevelt’s views stood out as progressive for the time—even as they were tempered by traditionalism.Read more
Why Did Stalin Support the Start of the Korean War?Communist North Korea invaded South Korea in 1950 with the approval of Joseph Stalin and the promise of backing from China.Read more