October 25 is the Feast of Saints Crispin and Crispinian, the patron saints of cobblers, curriers, tanners, and leather workers. The twin brothers fled their native Rome to France due to persecution. They preached Christianity during the day and made shoes by night and earned enough in this way to support themselves and give to the poor.
The were arrested by Rictus Varus, governor of Gaul, and beheaded by Diocletian on October 25 286 by Diocletian.

Researching leather goods, I found Glove Day the day major league baseball players are given custom gloves by sporting goods manufacturers.
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