KnowraBirthdayLinked fromLinked fromThe 5 pages that link to Birthday, each with the reason it gives.All 5Broader topic 1Related 1Narrower topic 3Birthday PartyNarrower topic: The occasion gives the gathering its date and central purpose.Birthday cakeNarrower topic: The occasion gives the cake its name and ceremonial role.Happy Birthday to YouNarrower topic: The song marks this personal milestone in family, school, and public celebrations.