September 4, 2006 (Monday)
- A burial cave dating back to the 1st century BC is discovered beneath a high school in Tel Aviv, Israel. (Ynet)
- A lone gunman shoots and kills a British tourist and wounds six others in Amman, Jordan. The gunman is arrested, and police are investigating if the gunman belongs to any groups. (Reuters)
- Steve Irwin, "The Crocodile Hunter", is killed by a stingray while filming a documentary on Australia's Great Barrier Reef. (News.com.au), (Reuters)
- MTV en Español is Changing to MTV Tres
- The Great Internet Mersenne Prime Search (GIMPS) discovers the 44th Mersenne prime. It was verified on September 11. (MathWorld News)