"Mi cumpleaños". That is how you say "my birthday".
¡Feliz cumpleaños! is how you would say Happy Birthday in Spanish.
The apostrophe goes between the r and the s,showing mother's possession of the birthday.Example:"Tomorrow is his mother's birthday."An exception would be if you were talking about two mothers who shared a birthday. Then one might say "Tomorrow is the mothers' birthday," as it is now mothers that possess the birthday.
anniversaire de la mère is mothers birthday
14th birthday in spanish is " 14to cumpleanos
"when is my birthday" translates to "cuando es mi cumpleaños" in Spanish.
Mother in Spanish is madre, or mama.Madre, or Mama (mom)
cumpleanos
cumpleanos
Mi cumpleaños es (your birthday)
Cuando(when) es(its) tu(your) cumpleaños(birthday).
it's his birthday - "es su cumpleanos"