It depends on the religion:
Christianity: christian communion as the body of christ.
Judaism: The challah bread eaten on the Sabbath, the unleavened matza bread eaten on Passover, and generally to complete a meal.
There are lots of different festivals like music fesivals and religious festivals.
Yes their are religious festivals in Turkey the Islam celebrate Ramadan
secular
The religious festivals were both religious and recreational. Even the Olympic Games (and other games) were religious festivals.
secular
yes
Same reason why other faiths have religious festivals.
religious festivals
They participated in religious festivals, acted in the plays which were part of them, and participated in other religious rituals and sacrifices and offerings, at temples and religious sporting festivals helding in honour of the gods.
one of the type of festivals are the bull one where they let bulls off (Pamplona) religious festivals (Holy Week etc.)
Many secular holidays and traditions have evolved from religious festivals, such as Christmas from Christian celebrations, Halloween from ancient Celtic festivals, and Easter from a combination of Christian and pagan traditions. Over time, these observances have taken on new meanings and practices that are often more cultural or commercial in nature.
They were part of religious festivals.