- On 1965-10-23, Andy Summers performed with Zoot Money's Big Roll Band at the Club A'GoGo in Newcastle, England, UK.
- On 1975-10-23, Curved Air performed at Warwick University in Coventry, England, UK.
- On 1976-10-23, Stewart Copeland watched a Wishbone Ash concert at the Town Hall in Sheffield, England, UK.
- On 1977-10-23, Sting was in London, England, UK - while Andy Summers and Stewart Copeland were in Munich, Germany.
- On 1978-10-23, The Police performed in Poughkeepsie, NY, USA - while Wayne County & The Electric Chairs performed in Swansea, Wales, UK.
- On 1979-10-23, The Police filmed the Walking on the Moon video at Kennedy Space Center in Orlando, FL, USA.
- On 1982-10-23, Stewart Copeland attends (Sonja Kristina manager) Derek Dowsett's wedding - maybe in London, England, UK.
- On 1985-10-23, Sting performed at the Pensacola Civic Center in Pensacola, FL, USA.
- On 1987-10-23, Sting was in Malibu, CA, USA.
- On 1988-10-23, Sting spent a day off in Japan - maybe ski-ing in Sapporo, Japan.
- On 1989-10-23, Sting attended "An Evening With Alan Jay Lerner" at the New York State Theater at Lincoln Center in New York, NY, USA.
- On 1990-10-23, Andy Summers performed in Washington, DC, USA - while Sting mixed The Soul Cages in Los Angeles, CA, USA.
- On 1993-10-23, Sting performed at the Sportpaleis in Antwerp, Belgium.
- On 1994-10-23, Sting performed in London, England, UK - while Stewart Copeland performed in Oklahoma City, OK, USA.
- On 1996-10-23, Sting performed at the Palais Theatre in Melbourne, Australia.
- On 1998-10-23, Sting attended the VH1 Fashion Awards at Madison Square Garden in New York, NY, USA.
- On 1999-10-23, Sting performed at the Arlington Theater in Santa Barbara, CA, USA.
- On 2000-10-23, Sting performed at the Rainbow Hall in Nagoya, Japan.
- On 2001-10-23, Oysterhead performed at the Orpheum Theatre in Vancouver, BC, Canada.
- On 2003-10-23, Sting was on Bali, Indonesia.
- On 2006-10-23, Sting performed at the club Maria am Ostbahnhof in Berlin, Germany.
- On 2009-10-23, Andy Summers met Emily Hughes at a restaurant in Santa Monica, CA, USA.
- On 2010-10-23, Sting performed in Stuttgart, Germany - while Andy Summers was a judge at an event in Los Angeles, CA, USA.
- On 2012-10-23, Andy Summers and Fernanda Takai appeared on the TV show "Metrópolis" in São Paulo, Brazil.
- On 2014-10-23, Stewart Copeland talked at the Digital Hollywood event in Marina del Rey, CA, USA - while Henry Padovani performed in Dasle, France.
- On 2015-10-23, Henry Padovani was in Brussels, Belgium.
- On 2017-10-23, Sting attended The Last Ship workshop - probably in Newcastle, England, UK.