2011-09-20

2011-09-20 can refer to:

• 2011-09-20 (Sting), the Sting performance at the Hammerstein Ballroom in New York, NY, USA
• 2011-09-20 (Stewart Copeland), Stewart Copeland attends the South Park party in Santa Monica, CA, USA
• 2011-09-20 (Henry Padovani), Henry Padovani is near the Montblanc