The following are events related to the Global War On Terrorism (GWOT) that took place on this day.

2001

• Start of NATO’s Operation Active Endeavour in the Mediterranean Sea.

2004

• End of Operation Baton Rouge in Iraq

2005

• Start of Operation River Gate (Bawwabatu Annaher) in Iraq
• End of Operation Bowie in Iraq

2006

• Operation Half Nelson in Iraq
• Operation Medusa in Iraq

2007

• LtCol Paul Ware, the investigating official, recommended that SSgt Frank Wuterich be tried on negligent homicide instead of the more serious charge of unpremeditated homicide in the deaths of Iraqi civilians. SSgt Wuterich was the squad leader who allegedly directed his Marines in an assault in Haditha on 19 November 2005 that left over two dozen Iraqis dead.
• End of Operation Hawaii II in Iraq

Casualties on October 04:

• PIRTLE, JAMES HEATH – October 4, 2003
• SPARKS, GINA RENAE – October 4, 2004
• BAEZ, ROBERTO CARLOS – October 4, 2005
• BEDARD, ANDREW DENNIS – October 4, 2005
• JOPLIN, BRIAN KEITH – October 4, 2005
• LARGE, BRYAN WILLIAM – October 4, 2005
• VANDERBOSCH, JACOB THOMAS – October 4, 2005
• BRIGHT, DEAN ROBERT – October 4, 2006
• BURKE, TIMOTHY ROBERT – October 4, 2006
• GARVIN, EDWARD MARCELL – October 4, 2006
• MOUDRY, CHRISTOPHER O’NEILL – October 4, 2006
• OBOURN, GEORGE ROBERT JR – October 4, 2006
• ROSALES, BENJAMIN SALGADO – October 4, 2006
• KAMKA, VINCENT GEORGE – October 4, 2007
• MILO, AVEALALO – October 4, 2007
• RODRIGUEZ, RICARDO XAVIER – October 4, 2007
• HILL, KEVIN OLSEN – October 4, 2009
• BOARD, CODY ALLEN – October 4, 2010
• CAMPBELL, KARL ANDREW – October 4, 2010
• CLARK, RYANE GLENN – October 4, 2010
• PRENTLER, JOSEPH THOMAS – October 4, 2010
• COLLINS, JEREMIAH MICHAEL JR – October 4, 2013
• THOMAS, ADAM SAMUEL – October 4, 2016
• SLAPE, JAMES ALLEN – October 4, 2018