As a European, enjoying the environmental quality of life our regulations provide, I'm ashamed to admit it might be impossible to make chips here, as it's probably a dirty industry that Europe prefers to keep offshore.
And you are wrong to think that in my opinion, chip manufacturing in Europe was huge 25-30 years ago (there was high-end memory chips manufacturers, high-end GPU manufacturing and cutting edge nodes in Europe at the time).
And as commented elsewhere, ARM