On September 11, 2001, at 9:12 a.m., nine minutes after United Airlines Flight 175 struck the South Tower between floors 77 and 85, 24-year-old Welles Crowther called his mother and left a message: “Mom, this is Welles. I wanted you to know that I’m okay.”

Physicians were allowed to prescribe liquor as “medicinal alcohol” for health conditions.

In 1850, French luthier Jean-Baptiste Vuillaume built the first octobass in Paris, creating one of the largest and rarest bowed string instruments ever made.

In the early nineteenth century a nationwide optical telegraph preceded the electric wire.

In 2009, a domestic cat named Casper captured worldwide attention when it was revealed that he was a regular bus commuter in Plymouth, Devon.

In 1945, the University of Pennsylvania completed ENIAC (Electronic Numerical Integrator and Computer), the first programmable, electronic, general-purpose digital computer.

In March 2023, Philadelphia librarian Bridget Flynn searched for a family drawing when she uncovered 22 letters tied with a shoelace.

In December 1914, five months after World War I began, widespread unofficial ceasefires broke out along the Western Front around Christmas.

In the early hours of June 6, 1944, during Operation Overlord, Private John Marvin Steele of the 82nd Airborne Division parachuted into Sainte-Mère-Église, a key village in Normandy, France.

In France, it is possible to legally marry someone who has already died — but only under strict conditions and after approval from multiple civil authorities.