Complex sentence: Celts, Gauls and any and all of the many tribes are been reenacted from tribal warfare to even domestic reenactment of Celtic societies.Many tribes specific tribes are been reenacted and important events such as battles and festivals.
Split into simpler sentences: Celts, Gauls and any and all of the many tribes are being reenacted from tribal warfare to even domestic reenactment of Celtic societies. Many specific tribes are being reenacted, as are important events such as battles and festivals.