Many countries in the world celebrate Mother's Day on the second Sunday in May, but it's not the global norm. Turns out it has to do with the origins of the celebration, historical events and culture.
Historian Frank Dikötter says newly opened archives offer fresh details about the chaos China experienced in the 1960s, when Chairman Mao urged students to take to the streets.
Analysis by amateur historians has called into question the identity of some of the men depicted in the iconic World War II image and statue. Now the Marine Corps is taking another look.
Researchers think they have located the vessel, later named the Lord Sandwich, that the British explorer sailed to Australia, saying it may have been part of a blockade during the American Revolution.
On May 1, 1866, Memphis was home to a massacre that killed 46 African-Americans and injured many others. Now a historical marker shows an ongoing rift between white historians and black activists.
Eugene Debs was the first major Democratic Socialist in American history, running for president five times in the early 1900s. NPR goes on a tour of his home in Terre Haute, Ind., ahead of that state's primary with Benjamin Kite, an avid Bernie Sanders supporter. Kite, one of the home's caretakers, says Debs laid the groundwork for President Franklin Delano Roosevelt and the New Deal, and likewise Bernie Sanders may be laying the groundwork for a major shift left in American politics.
This week is the 100th birthday of Jane Jacobs, who resisted gentrification in New York and became a respected thinker on urban planning. Author Roberta Brandes Gratz talks about Jacobs' legacy.