Facts & Historical Events On This Day.
Democratic Senator Bernie Sanders dropped out of the race for US president.
Researchers discovered that as many as 600 million birds die in the US every year after flying into skyscrapers.
The Iron Lady Margaret Thatcher died at 87 years old.
Construction of the Bahrain World Trade Center was officially completed.
NASA's Discovery space shuttle launched on mission STS-56.
Clint Eastwood was elected as Mayor of Carmel, California.
Racer Bob Burman died after crashing his race car in Corona, California.
The first person in the world to be diagnosed with Alzheimer's died.
German mathematician Carl Friedrich Gauss became the first person to prove quadratic reciprocity law.
The first idea of a fire escape was patented.
One of the world's most important medieval castles, Krak des Chevaliers, was conquered by Sultan Baibars.
The iconic historical Winchester Cathedral in Hampshire, England, was dedicated to Bishop Walkelin.
Roman Emperor Caracalla was stabbed to death by a guard while urinating.
