Important festivals (holy days) in the year

Fèilltean cudromach sa bhliadhna

Look at the sentences below and play with the different answers until you're happy with them. There are no wrong answers. Have fun!

B' e

(It was)

aon de na fèilltean a bu chudromaiche sa bhliadhna.

was one of the most important feasts/holy days in the year.