Neither retirement nor a ninetieth birthday slowed his publication rate.
He died in his ninetieth year; not from any disease, but the mere weakness of old age.
The colonel of the ninetieth Rhode Island fell at twenty-two.
The pupils of reformatories should never make heads of pins or the ninetieth fraction of a shoe.
In full-front view he did not look like a man in his ninetieth year.
They had gathered on invitation in order to participate in honoring President Woodruff on the ninetieth anniversary of his birth.
Theophrastus began his "Character of Man" on his ninetieth birthday.
It will break my heart if Sidney dies now, for I had so looked forward to celebrating his ninetieth birthday with him.
He began it in his fortieth year, and did not finish it until his ninetieth .
Here most of the One Hundred and ninetieth, and some from other regiments, rallied and faced the enemy.