Catholicism Christian, either Roman Catholic or Protestant. The Catholics are mainly around the mediterranean, the Protestants are mainly in the North. Also there is Eastern Orthodox, Church of England & Secular societies. However, due to mass imigration and modern generations in low church attendance, Islam is closely on the rise.
There are numerous amounts of religions and spiritual beliefs in early Europe. Some of the known religions are: Wicca, Druid, various forms of Paganism, and Judaism.
Christianity
Christianity is the biggest religion in Europe, but there are many religions in Europe.
Mainly religions of Europe and England, Christian, but some were also Protestant religions.
There are perhaps hundreds of religions in Southern Europe. The most popular, however, include Christianity, Judaism, and Islam.
There are several religions that have followers in Europe and the Americas, including Christianity, Islam, Judaism, B'hai, and several others.
Europe is a continent and the United Kingdom is a country. They are not religions.
I'd have to say Christianity for certain and with the rise of Islam, then Islam is number two.
Christianity followed by Islam are the widely practiced religions in Europe.
The main religion in Europe are Christianity, Islam and a little bit of Hinduisim.
The Aryan peoples stretched across Europe into western Asia. They had many religions.
Christianity, Islam,and Judiasm.