On the occasion of his twelfth birthday, Charlie had been given two books.

The evening was directed by Albee himself on the occasion of his 80th birthday.

In 2007, a festschrift was dedicated to him on the occasion of his 70th birthday.

At the occasion of Hawking's 70th birthday, she published a second book on his life.

In 1993, Cooper was honored by a festschrift on the occasion of his 75th birthday.

It was installed in September 1997, on the occasion of his 100th birthday.

In 2000, a festschrift appeared on the occasion of his 65th birthday.

On occasion of his 70th birthday in 2003, he was presented with a substantial Festschrift.

The announcement was made on the occasion of The Queen's 75th birthday.

I am proud that such a choice company as this has come together today on the modest occasion of my birthday.