| MoveableHoliday(moveable holiday) | | Thanksgiving, Thanksgiving_Day, movable_feast, moveable_feast |
| appearance as argument number 1 |
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| (documentation MoveableHoliday EnglishLanguage "MoveableHoliday is the class of Holidays whose observance is not fixed to recurrences of any particular calendar day. For example, UnitedStatesMemorialDay is observed on the last Monday of May.") | Mid-level-ontology.kif 15079-15082 | |
| (subclass MoveableHoliday Holiday) | Mid-level-ontology.kif 15078-15078 | Moveable holiday is a subclass of holiday |
| appearance as argument number 2 |
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