May 3, 2007 (Thursday)
- Tens of thousands of Israeli protesters at Rabin Square in Tel Aviv call for Prime Minister Ehud Olmert and his government to resign over their mishandling of the 2006 Lebanon war. (BBC)
- Queen Elizabeth II of the United Kingdom begins a tour of Virginia with a speech to the General Assembly of Virginia in Richmond in honour of the 400th anniversary of the first permanent English settlement in Jamestown, Virginia. She also meets with victims of the Virginia Tech Massacre before departing for Colonial Williamsburg. Radio New Zealand[permanent dead link](ABC News Australia)[permanent dead link] London Free Press
- 2008 United States presidential election: Republican presidential candidates debate at the Ronald Reagan Presidential Library in Simi Valley, California. (MSNBC)
- The United Kingdom's Ministry of Defence announces plans to release their UFO files to the public, seven weeks after France's space agency CNES opened its UFO files to the public. (The Register)
- The Ulster Volunteer Force, a loyalist paramilitary group in Northern Ireland, renounces the use of force. (Sky News) (RTÉ)
- Polling stations open for the Scottish Parliament and National Assembly for Wales general elections, and for local council elections in Scotland and parts of England. (BBC)
- Madeleine McCann disappears from her hotel room in Praia da Luz, Portugal. [citation needed]