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

2005

• End of Operation Pil in Afghanistan

2007

• Start of Operation Hawaii III in Iraq

Casualties on October 23:

• ROBINSON, THOMAS LEWIS – October 23, 2002
• TEAL, JOHN ROBERT – October 23, 2003
• SPEARS, JONATHAN ROSS – October 23, 2005
• BOCK, AMOS CAMDEN RILEY – October 23, 2006
• BUERSTETTA, RICHARD ALLEN – October 23, 2006
• EASON, CARL ALLEN – October 23, 2006
• OVERSTREET, TYLER RAY – October 23, 2006
• SARE, CHARLES OTTO – October 23, 2006
• PHILPOT, EDWARD OTIS – October 23, 2007
• ROUGLE, LARRY ISMAEL – October 23, 2007
• HAUSE, BRIAN PAUL – October 23, 2008
• HAN, KIMBLE ANDRUS – October 23, 2009
• LEMBKE, ERIC NATHANIEL – October 23, 2009
• PALLARES, RONNIE JOSEPH – October 23, 2010
• BASTEAN, JORDAN STEPHEN – October 23, 2011
• GRACE, EDWARD SAVY – October 23, 2011
• CHARLES, SHAWN PATRICK – October 23, 2011
• DUSKIN, MICHAEL STEPHEN – October 23, 2012
• NEAL, SEAN PATRICK – October 23, 2014