Assertion: pancake | /r/CapableOf | become popular
Facets:
value: in medieval europe
type: LOCATION
value: on shrove
type: LOCATION
value: tuesday
type: TEMPORAL
Source sentences:
text: In medieval Europe, crepes and pancakes became popular on Shrove Tuesday, the day before the Christian Lenten season begins, because Christians needed to empty their houses of eggs and fats as part of the fasting that occurred before Easter.