These days were later settled as Epiphany, Easter, Midsummer, and Michaelmas sessions.

Entity and relation annotations:
id: 0
type: entity
value: text: Epiphany
labels: <Date>
id: 1
type: entity
value: text: Easter
labels: <Date>
id: 2
type: entity
value: text: Midsummer
labels: <Date>
id: 3
type: entity
value: text: Michaelmas sessions
labels: <Date>