Here's a site for you
http://www.brownielocks.com/month2.html\This has a ton of holidays, some funny, and all religions. Here's some for October
10/4/2010 12:00 AM St Francis Day - Catholic Christian
Christian recognition of service to people and appreciation of the natural world, as practiced by St Francis and the Franciscan Monastic Order which he founded.
10/8/2010 12:00 AM Navaratri - Hindu
o Hindu Festival of the divine mother honoring Durga, wife of Shiva, and seeking her blessings. Also observed as a celebration recalling the days of Lord Krishna.
10/16/2010 12:00 AM International Children's Sabbath Weekend - all Faiths
10/17/2010 12:00 AM Dasera - Hindu
Hindu celebration of victory and valor. Lord Rama is remembered as winning a victory over evil.
10/19/2010 6:00 PM Birth of the Báb - Baha'i
Baha'i honoring of the founder of the Babi religion, forerunner to Baha'u'llah and the Baha'i faith.
10/28/2010 12:00 AM Milvian Bridge Day - Christian
Christian day of solemn reflection on the relationship of the spiritual community and the powers of civil government. On Oct 28, 312 c.e., Emperor Constantine prevailed in a battle and proceeded to make Christianity the legal religion of the Roman Empire....
10/31/2010 12:00 AM All Hallows Eve - Christian
Christian celebration of mystery combining prayers and merriment involving children and families. It is a prelude to All Saint's Day.
10/31/2010 12:00 AM Reformation Day - Protestant Christian
Protestant Christian anniversary of their tradition and its emphasis on the place of the Bible and religious freedom. On October 31, 1517 c.e. Martin Luther posted a belief statement on Wittenberg Church door. The date of public observation is the Sunday...
11/1/2010 12:00 AM All Saints' Day - Christian
Christian day for honoring saints, known and unknown. In general, saints are persons with reputation for unusual lives of holiness and devotion to God or who were martyred for their faith. A Holy Day of Obligation in the Roman Catholic Church...
10/31/2010 6:00 PM Samhain - Beltane - Wicca Northern and Southern hemispheres
Wicca celebration of endings and beginnings and of remembering the dead.. Revering of elders is also observed.