It was the fortieth anniversary of the death of the composer.

那是那个作曲家逝世40周年纪念日。

《柯林斯英汉双解大词典》

John and I celebrate our fortieth anniversary next month.

下个月，John和我将庆祝我们的结婚四十周年纪念日。

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The model represents his love for his wife, Pope explains, and he hopes to give it to her as a fortieth anniversary present in two months.

Pope向他说明，这模型代表了狱长对他妻子的爱，他希望能在两个月后，将它作为他们结婚四十周年的礼物送给她。

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Jim Lovell talked about the current situation at NASA during an event to mark the fortieth anniversary of Apollo Thirteen.

VOA: special.2010.04.28

Rounder Records celebrated its fortieth anniversary with a concert in October at the Grand Ole Opry in Nashville,Tennessee.

VOA: special.2010.04.19

"The Calling" included this song which she performed at the fortieth anniversary concert, "Why Shouldn't We?"

VOA: special.2010.04.19

Organization, in collaboration with the EEAA, Ministry of State for the Environment, of a special day for Biosphere Reserves, in view of celebrating the fortieth anniversary.

UNESCO: Post-Conflict and Post-Disaster Responses

In the fortieth-anniversary edition of Capitalism and Freedom (2002) he stated that he was equally opposed to right-to-work laws and to yellow-dog contracts, which make employment conditional on not belonging to a union.

FORBES: Why Milton Friedman Opposed Right-To-Work