El día de la Marina
Spanish Navy Marines was created in 1537.
The expression to say how old you are or a material object is in Spanish is "tener ____ años".If you literally want to translate "years old" into Spanish, this would be "años de vejez", but this is nonsense to any Spanish speaker.
Cuántos años tienes? - How old are you
ancianos
Viejo or antigua
Viejo/a
You say "Ella es vieja"
old house = casa vieja.
The motto of Spanish Navy Marines is 'Per Terra et Mare'.
'Tengo [number] años.'
viejo