What other customary Catholic fasting periods are there aside from Lent?

Lent is presently the only period of fasting binding for Latin Catholics. However, I have come across other times for fasting that bind to one degree or another at various times (some being purely voluntary, others always obligatory, some changing with time). So far I have seen: * St. Michael's Lent * Advent * "Summer lent" or St John the Baptist's lent * Rogation days, vigils, and Ember Days Are there any other periods of fasting that have been customarily observed by Latin Catholics throughout history?