In 1822, the design of the modern Greek flag was officially adopted. In 1888, the National Geographic Society was founded in Washington, D.C. In 1966, Robert C. Weaver was named Secretary of...

In 1540, King Henry VIII of England married Anne of Cleves. In 1907, Maria Montessori opened her first school and daycare center for working class children in Rome. In 1912, New Mexico was admitted...

In 1757, King Louis XV of France survived an assassination attempt. In 1914, Ford Motor Company announced an eight-hour workday and minimum daily wage of $5. In 1925, Nellie Tayloe Ross of Wyoming...

In 1815, Mount Tambora began a three-month eruption that affected Earth's climate for the next two years. In 1866, the ASPCA was founded in New York City by Henry Bergh. In 1887, Pope Leo XIII...

In 1792, King Gustav III of Sweden died 13 days after being shot in the back at a masquerade ball in Stockholm. In 1871, Royal Albert Hall was opened by Queen Victoria. In 1882, the Knights of...

In 1775, Patrick Henry delivered the memorable line, "Give me liberty or give me death!" in Richmond, Va. In 1857, the first Otis elevator was installed at 488 Broadway in New York City. In 1868,...

In 44 BC, Julius Caesar was assassinated by a group of Roman senators. In 1493, Christopher Columbus returned to Spain after his first trip to the New World. In 1820, Maine joined the Union as...