- On 1973-05-20, Stewart Copeland worked as a tour manager for Joan Armatrading in Barnsley, England, UK.
- On 1975-05-20, Andy Summers performed in Kevin Coyne's band in Huddersfield, England, UK - while Curved Air recorded in London, England, UK.
- On 1976-05-20, Andy Summers performed with Kevin Coyne at Audimax in Bochum, Germany.
- On 1977-05-20, Strontium 90 rehearsed in London, England, UK.
- On 1978-05-20, The Police performed at Sartory in Cologne, Germany.
- On 1979-05-20, The Police performed at Freeborn Hall in Davis, CA, USA.
- On 1980-05-20, Andy Summers was in Ireland.
- On 1981-05-20, Sting travelled from Paris to London where he received an Ivor Novello Award - while Stewart Copeland had a meeting in London, England, UK.
- On 1982-05-20, Stewart Copeland played Polo in England, UK.
- On 1983-05-20, The Police had a photo session for the Wrapped Around Your Finger record. Their clothes catch fire.
- On 1985-05-20, Sting rehearsed with his band at the Château de Courson in Paris, France.
- On 1987-05-20, Sting recorded ...Nothing Like The Sun at AIR Studios on Montserrat.
- On 1988-05-20, Sting performed at the Hallenstadion in Zurich, Switzerland.
- On 1989-05-20, Animal Logic had a day off in London - while Sting held a press conference in Sydney, Australia.
- On 1991-05-20, Sting performed at the Palais de Beaulieu in Lausanne, Switzerland.
- On 1993-05-20, Sting performed at the Red Rocks Amphitheatre in Morrison, CO, USA.
- On 1994-05-20, Andy Summers performed at the Aga-Zaal in Amsterdam, The Netherlands.
- On 1995-05-20, Sting and Trudie Styler were among the guests at Don Henley's wedding party in Malibu, CA, USA.
- On 1996-05-20, Sting performed at the Sala Palatului in Bucharest, Romania.
- On 1998-05-20, Andy Summers performed at the Teatro do SESC in Sao Carlos, Brazil.
- On 2000-05-20, Sting performed at Arena in Verona, Italy.
- On 2001-05-20, Sting performed at the Blue Cross Arena in Rochester, NY, USA - while Stewart Copeland composed songs at the Château Marouatte in France.
- On 2002-05-20, Sting and Trudie Styler attended the Chopard party at the 55th Cannes Film Festival in Cannes, France.
- On 2004-05-20, Sting performed at the Royal Albert Hall in London, England, UK.
- On 2006-05-20, Sting and Trudie Styler attended the premiere of A Guide To Recognizing Your Saints at the 59th Cannes Film Festival in Cannes, France.
- On 2007-05-20, The Police rehearsed at the Chief Joe Mathias Centre in Vancouver, BC, Canada.
- On 2008-05-20, The Police performed at Cynthia Woods Mitchell Pavilion in The Woodlands, TX, USA.
- On 2009-05-20, Sting and Christian McBride recorded Consider Me Gone for Conversations With Christian.
- On 2010-05-20, Henry Padovani was in Cannes, France - while Sting was rehearsing in London, England, UK.
- On 2011-05-20, Wendy Starland visited Stewart Copeland at his home studio in Los Angeles, CA, USA.
- On 2012-05-20, Sting and Trudie Styler were the hosts of a pig roast BBQ at Il Palagio.
- On 2013-05-20, Stewart Copeland was busy at the Sacred Grove in Los Angeles, CA, USA.
- On 2015-05-20, Stewart Copeland and Jon Kimura Parker performed in Toronto, ON, Canada - while Sting attended a party in New York, NY, USA.
- On 2016-05-20, Stewart Copeland met Joe Walsh and Ringo Starr backstage at Joe Walsh's concert at The Forum in Los Angeles, CA, USA.
- On 2017-05-20, Sting performed in Monterrey, Mexico - while Stewart Copeland attended a U2 concert in Los Angeles, CA, USA.