Live television has given us some of the most memorable moments in media history. Sometimes, these moments can be shocking, surprising viewers and making headlines worldwide. Here are five of the most shocking moments in live TV history.

1. The Moon Landing (1969)

On July 20, 1969, millions of people around the world watched as Neil Armstrong took his first steps on the moon, a historic moment broadcast live by NASA. The event, punctuated by Armstrong's famous words, "That's one small step for man, one giant leap for mankind," was an unprecedented achievement. Read more about it here.

2. The Challenger Disaster (1986)

The explosion of the Space Shuttle Challenger just 73 seconds into its flight was a tragic event broadcast live on national television. The catastrophe, which resulted in the death of all seven crew members, including school teacher Christa McAuliffe, shocked the nation and the world. Learn more about it here.

3. The O.J. Simpson Car Chase (1994)

In 1994, a white Ford Bronco, driven by Al Cowlings with O.J. Simpson as a passenger, led police on a slow-speed chase through Los Angeles. The chase was broadcast live and attracted an estimated 95 million viewers, making it one of the most-watched events in television history. Discover more about it here.

4. The 9/11 Attacks (2001)

The terrorist attacks on September 11, 2001, were broadcast live on television, creating an indelible record of the tragic events. News channels across the globe interrupted their regular programming to cover the attacks, and the horrifying images of the World Trade Center towers collapsing are permanently etched in the collective memory. Learn more about the events of 9/11 here.

5. The Fall of the Berlin Wall (1989)

One of the most significant events in recent history, the fall of the Berlin Wall in 1989 symbolized the end of the Cold War. Broadcast live, the images of Germans from East and West meeting and celebrating atop the Wall are iconic. Find out more here.