May 20

• Culture Freedom Day
  

• Eliza Doolittle Day
  

• Flower Day
  

• International Clinical Trials Day
  

• International Red Sneakers Day
  

• It’s A Wonderful World Day
  

• National Band Director’s Day
  

• National Be A Millionaire Day
  

• National High Heels Day
  

• National Pick Strawberries Day
  

• National Psychometrist Day
  

• National Quiche Lorraine Day
  

• National Rescue Dog Day
  

• National River Cleanup Day
  

• National Streaming Day
  

• National Women In Aerospace Day
  

• Weights & Measures Day
  

• World Autoimmune Arthritis Day
  

• World Bee Day
  

• World Metrology Day
  

• Cameroon’s National Day
  

• Accounting Day
  

• Supply Chain Professionals Day
  

• Whit Monday