Final answer:
Pope Gregory I created the first Ordinary for the Catholic Mass in the seventh century, using his spiritual authority to gain support from Germanic kings.
Step-by-step explanation:
The first Ordinary for the Catholic Mass was created by Pope Gregory I.
He was pope in the seventh century and played a crucial role in developing papal independence. Gregory used his spiritual authority to gain the trust and support of different Germanic kings, ultimately spreading Christianity and increasing the influence of the Church.