1 Impressive (horse), an Appendix American Quarter Horse (1969-1995)  2 Impressive Dagger Moth, a moth of the Noctuidae family; see Acronicta impressa.  Impressive Syndrome, a genetic disorder that occurs in horses and humans; see Hyperkalemic periodic paralysis.
The most significant of these religions are the Jehovah Witnesses who number approximately half a million people. Other interpretations of the Christian religion in Italy include the Protestants. Muslim Religion In Italy:. Today the Muslim religion is the second largest religion in Italy. The total number of followers of the Muslim religion in Italy currently stands at about 700,000. However, it should be noted that the majority of followers of the Muslim religion in Italy are either recent immigrants or second generation immigrants to Italy.
Largest non-Christian religion by state. Islam is the largest non-Christian religion in the nation, claiming 20 states scattered mostly throughout the Midwest and South. In the West, Buddhism is the largest non-Christian religion in 13 states. Judaism is the largest non-Christian religion in 15 states, mostly in the Northeast. Hinduism reigns in twoâDelaware and Arizona.