I think the USA has a few unnecessary holidays...
Thanksgiving, Christmas, and New Years.
US holidays?
some important holidays celebrated in the US are birthdays, Christmas, thanksgiving, new years eve,cinco de mayo,halloween,
57 holidays
There are about 45 holidays in the USA
I am a us citizen since I was born 17 years ago in the us as a us citizen in Oroville, CA.
It's easier to tell the holidays that are the same: only Christmas (Family Day in Uruguay) and New Year.
Well Christmas is 12 days and I don't know about New Years.
Your answer depends on the government supporting the science station. Holidays for the Russian base are different from those celebrated by the New Zealand, British or US bases.
Independence Day, New Years Day,
New Years day, Birth of Martin Luther King Jr. Inauguration Day, Washington's Birthday, Memorial Day are all prime examples of Federal Holidays in the US.
There are many holidays not celebrated in the US. The Queen's Birthday, ANZAC day and Australia Day are just three of many holidays not celebrated or recognised in the US.