December 20th Holidays

• International Human Solidarity Day

• Underdog Day

• Games Day

• International Wrinkled Shirt Day

• Light and Light-based Technologies Day

• Yule

• Ugly Christmas Sweater Day - USA

• Dot Your I’s Day - USA

• National Sangria Day - USA

• Go Caroling Day - USA

• Cathode-Ray Tube Day - USA

• National Cortado Day - USA

• Sacagawea Day - USA

• Mudd Day - USA

• Macau SAR Establishment Day - China

• Mourning Day - Panama

• Abolition Day - Réunion

• Bo Aung Kyaw Day - Myanmar