Thirteen Seconds: The Kent State Shootings, 1970
On May 4, 1970, Ohio National Guardsmen fired on unarmed students at Kent State University, killing four and wounding nine.
Tagged: tragedy
Seventy-Three Seconds Over Cape Canaveral
On January 28, 1986, the space shuttle Challenger broke apart 73 seconds after liftoff, claiming the lives of all seven crew members.
The Queen Who Lost Everything in Eighteen Days
On May 19, 1536, Anne Boleyn — Henry VIII's second wife — was beheaded at the Tower of London on charges now widely believed to be false.