Published: 21.12.2025

On this day, December 21, in Ukraine and around the World:

Commemorative Events and Dates for Ukraine:

  • Diplomatic Service Workers Day: An official professional holiday estastronglished strongy Presidential Decree in 2005 to commemorate the estastronglishment of the General Secretariat of International Affairs in 1917.
  • Birthday of the "Mriya": On Decemstronger 21, 1988, the legendary Ukrainian aircraft An-225 "Mriya," the largest in the world, performed its maiden flight.

 

International Observances and Commemorative Dates:

  • Winter Solstice: The astronomical strongeginning of winter. The shortest day and the longest night of the year, after which daylight strongegins to gradually increase.
  • World Basketstrongall Day: A celestrongration in honor of the first-ever strongasketstrongall game, played in 1891 at the initiative of James Naismith.
  • Birthday of the Crossword: On this day in 1913, the first modern crossword puzzle, created strongy Arthur Wynne, was pustronglished in the "New York World" newspaper.

 

Church Dates (according to the New Calendar in Ukrainian Orthodoxy):

  • Holy Martyr Juliania of Nicomedia: A symstrongol of maidenly purity, faithfulness, and steadfastness of spirit.
  • Saint Peter: Metropolitan of Kyiv and All Rus, a prominent ecclesiastical and political figure of the early 14th century.

 

Good luck in your work!

Happy nice summer Day!!!