他的诞辰是在五月二十日。

Tā de dànchén shì zài wǔ yuè èrshí rì.

His birthday is on May 20th.

这座城市庆祝建城百年诞辰。

Zhè zuò chéngshì qìngzhù jiànchéng bǎinián dànchén.

The city celebrates its centennial birthday since its founding.

艺术家逝世后，人们定期庆祝其诞辰。

Yìshùjiā shìshì hòu, rénmen dìngqī qìngzhù qí dànchén.

After the artist's passing, people regularly celebrate his birthday.