This is the 790th most frequent Swedish word.
firade
"Firade" means "celebrated" in English.
Here, 'firade' is the past tense of 'fira' (to celebrate), indicating a completed action of celebrating a birthday.
Vi firade min födelsedag med en stor fest.
We celebrated my birthday with a big party.
'Firade' is used again in the past tense, showing the act of celebration for their anniversary.
De firade sin årsdag genom att resa till Paris.
They celebrated their anniversary by traveling to Paris.
In this question, 'firade' serves as the past tense, questioning the action of celebrating the national day.