Mon dix-huit anniversaire.
joyeux dix-huitième anniversaire
Mon anniversaire est le dix-huit septembre.
a birthday is 'un anniversaire' in French
Wish them a happy birthday and all the best for their future.
Birthday is "anniversaire" (masc.) in French.
Mi primo cumpleanos dieciocho anos
d'anniversaire
le dix-huit novembre
A birthday cake in French is 'un gâteau d'anniversaire'
"Bonaniversè" is how you would say Happy Birthday in Louisiana Creole French.
you say mon gorna be mansa
un anniversaire