quatercentenaries

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of quatercentenary.
  quatercentenary

  noun

  a 400th aniversary or its celebration.

More Suggestions

• quatercentennial
• supercentenarian
• quadricentenary
• tercentenary
• ultracentenarian
• quadricentennial
• quincentenary
• sestercentennial
• centenarian