"Bealtaine" is a Gaelic holiday celebrated on this day, marking the beginning of summer.

Entity and relation annotations:
id: 0
type: entity
value: text: "Bealtaine"
labels: <Event>
id: 1
type: entity
value: text: Gaelic
labels: <Organization>
type: relation
to_id: 0
labels: Person:participates_in:Event
from_id: 1