On this day in history, several notable events occurred: 1) Oscar Wilde was arrested and imprisoned for two years for homosexual acts. 2) The first modern Olympic Games were held in Athens with athletes from 13 nations competing in 43 events. 3) American explorer Robert Peary and his team reached the North Pole. 4) Germany invaded Yugoslavia and Greece as part of Operation Castigo during World War II. 5) A train fell off a bridge in Brazil, killing 110 people.