If you are asking "you" a question, informal: Cuàles actividades hices el Dìa de San Patricio?
formal: Cuàles actividades hice el Dìa de San Patricio?
If you are stating 'On St Patrick's Day, I....':
El Dìa de San Patricio, yo.....[insert action]
Saint Patrick's Day is March 17.
Potatoes are not special on st. patricks day
no
saint patricks day saint patricks day
thirst
Saint patricks day
thirty seven/ 37
On saint patricks day we where green and have parades and the irish eat corn beef.
saint patricks day
Saint Patricks day.
Saint Patricks Day,
Green