Steps Leading to the Fall of Saigon—And the Final, Chaotic AirliftsThe conflict in Vietnam ended in 1975 with the largest helicopter evacuation of its kind in history.Read more
How the US Got Out of 13 Economic Recessions Since World War IIFrom post-war recessions to the energy crisis to the dot-com and housing bubbles, some slumps have proven more lasting—and punishing—than others.Read more
How Pandemics Spurred Cities to Make More Green Space for PeopleFrom wider, tree-lined boulevards to lush parks, some of the world’s most famous urban landscapes were shaped by 19th-century cholera pandemics.Read more
How Nixon’s Invasion of Cambodia Triggered a Check on Presidential PowerFollowing months of secret U.S. bombings on Communist bases, American ground troops were deployed to northern Cambodia on April 28, 1970.Read more
President Ulysses S. Grant: Known for Scandals, Overlooked for AchievementsThe Civil War hero left the White House under a cloud, but he also made substantial contributions—like passing the 15th Amendment.Read more
When WWI, Pandemic and Slump Ended, Americans Sprang Into the Roaring TwentiesAfter enduring dark times, Americans were eager for a comeback.Read more
How the Black Death Spread Along the Silk RoadThe Silk Road was a vital trading route connecting East and West—but it also became a conduit for one of history’s deadliest pandemics.Read more
How the US Pulled Off Midterm Elections Amid the 1918 Flu PandemicA lot was on the line, and not just for Democrats in Congress.Read more
Talking to the Dead: How the 1918 Pandemic Spurred a Spiritualism CrazeAfter millions perished, people turned to séances, Ouija boards and more to help communicate with their dearly departed.Read more
How the First Earth Day Was Born From 1960s CountercultureOn April 22, 1970, a nationwide “teach-in” inspired millions of Americans to care more about the environment.Read more
Our Changing View of Earth from Space: PhotosSince the Apollo missions began, space programs have offered a unique perspective on our home planet.Read more
6 Legendary Lost Treasures of World War IIHuman fossils, an amber room and a Raphael masterpiece all went missing during WWII.Read more