Assertion: calendar's day | /r/HasProperty | dropped as part of the change
Facets:
value: from the month of october
type: TEMPORAL
Source sentences:
text: As part of the change, ten days were dropped from the month of October, and the formula for determining leap years was revised so that only years divisible by 400 (e.g., 1600, 2000) at the end of a century would be leap years.