Uncle_DaveO has said it very well. It may be added that the separation from the church in Rome influenced English thought and contributed to the actions that led to the growth of the British Empire, and the continued spread of other Protestant beliefs.

Nothing to do with Henry's ability as a composer, but his actions and those of his daughter Elizabeth I influenced the history of the Western World.
In any case, Henry (1491-1547) came over a century later than "Sumer...."