well it depends on what was the "biggest Technological Revolution of our Counted time."

Roman Catholic Church had a lot of power and wealth and did subsidize Da Vinci.  But frankly while Da Vinci did design some good shit I am not sure that was the "BTRCT"

I can't come up with any other ideas other than the Renaissance in Europe which I would argue the Catholic Church helped it to happen.

But while it is in our counted time I am not sure I would call it the greatest bla bla bla.