1. December 28, commemorating Herod's slaughter of the children of Bethlehem
   - Holy Innocents' Day

Type of: Christian holy day

• Cynoglossum virginaticum
• Cynomys
• Cynomys gunnisoni
• Cynomys ludovicianus
• cynophobia
• Cynopterus
• Cynopterus sphinx
• Cynoscephalae
• Cynoscion
• Cynoscion nebulosus
• Cynoscion regalis
• cynosure
• Cynthia
• cynthia moth
• Cynwulf
• Cyon
• Cyperaceae
• Cyperus
• Cyperus alternifolius
• Cyperus esculentus
• Cyperus longus
• Cyperus papyrus
• Cyperus rotundus
• cypher
• Cyphomandra