Temadage i december 2099

• 1. december 2099
  Verdens AIDS Dag International
• 2. december 2099
  International dag for udryddelse af slaveri International
• 3. december 2099
  International Dag for handicappede International
• 4. december 2099
  International Bankdag International FN-dag
  International dag mod ensidige tvangsforanstaltninger International FN-dag
• 5. december 2099
  International dag for frivilligt arbejde for økonomisk og social udvikling International
  Verdens Jordbundsdag International FN-dag
• 7. december 2099
  International dag for civil luftfart International
• 9. december 2099
  International Dag mod Korruption International
  International mindedag for ofre for folkedrab International FN-dag
• 10. december 2099
  Menneskerettighedsdag International
• 11. december 2099
  International Dag for Verdens Bjerge International
• 12. december 2099
  International dag for universel sundhedsdækning International FN-dag
  International Neutralitetsdag International FN-dag
• 14. december 2099
  International dag mod kolonialisme i alle dens former International FN-dag
• 18. december 2099
  Arabisk sprogdag International FN-dag
  International dag for migranter International
• 20. december 2099
  International Solidaritetsdag International
• 21. december 2099
  World Basketball Day International FN-dag
  World Meditation Day International FN-dag
• 24. december 2099
  International Anti-Cybercrime Day International FN-dag
• 27. december 2099
  International Day of Epidemic Preparedness International FN-dag