The largest tornado outbreak ever recorded hits the U.S.
348 people in six states were killed during the outbreak, which encompassed a total of 358 confirmed tornadoes.

The German news magazine, Stern, announces discovery of Hitler’s diaries
The documents were later exposed as forgeries, triggering one of the most spectacular media scandals in history. Experts believe that Hitler never kept a diary.

In Portugal, the fascist Estado Novo is overthrown in a bloodless coup
The leftist Carnation Revolution was led by military officers and supported by widespread civil resistance.

Construction of the Suez Canal begins
The waterway connecting the Mediterranean Sea and the Red Sea became the shortest sea link between Europe and Asia.