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The Christian Calendars include various Feasts of the Cross, all of which commemorate the Cross used in the crucifixion of Jesus Christ. These feast days honor the Cross itself as the instrument of salvation, while Good Friday commemorates the Passion of Christ and his crucifixion.
Islam: Faith, Holidays, Practice & History
Islam is a monotheistic Abrahamic religion originated in the Arabian Peninsula 1400 years ago, and spread rapidly to form a majority of the population in the Middle East and many Asian and African countries. Islam now is followed by more than a billion people, making it the second largest religion in the world.