It’s International Worker’s Day; recognised as a public holiday in South Africa since 1994.
Here’s what happened on this day in history:
England, Wales and Scotland unites to form Great Britain.
Mozart’s opera "The Marriage of Figaro" premiered in Vienna.
The first telephone exchange in South Africa was introduced in Port Elizabeth.
The Empire State Building in New York was opened. At 102 stories tall it was the tallest building in the world at the time.
"Citizen Kane" (directed and starring Orson Welles), the movie many critics rate as the finest of all time, premiered in New York.
“Star Wars” premiers for the first time.
Three- time Formula One World Champion Ayrton Senna was killed during the San Marino Grand Prix. He was 34 years old.
A group of climbers on Mount Everest discovered the body of George Mallory. He had died in June 1924 while trying to become the first person to reach the summit of Everest. It is still not know whether he did actually make it to the top.
US President Barack Obama announced that American soldiers had killed Osama bin Laden in Pakistan.
Listen to the audio for more detail.