During Roman times. During the time when the Roman Empire was still active and very strong. So about 1 A.D. (when Jesus of Nazareth came (or before)).
Christianity and Judaism
The three major religions in Europe include Christianity, Judaism, and Islam. Of the three, Judaism is the oldest.
Buddhism.
Christianity and Judaism
Judaism
There was Judaism in North Africa, Central Ethiopia, and most of Europe.
By doing God's will, as outlined in the Torah.
Europe is predominantly Christian. None Christian religions include Judaism, & Romani beliefs.
the orthodox judaism Actually the previous answer is not true. Orthodox Judaism as we know it today developed in Europe within the last 150 years. Pre Modern Judaism looked a lot different, and was much less unified.
Judaism, Christianity, and Islam.
Judaism was concentrated in Europe and north Africa in about the year 1500. It was also found as far east as China and South Asia.
The three most practiced religions in Europe are Christianity, Islam, and Judaism in that order. Many Europeans are also non-religious, and if that counted as a religion, it would place second in number of practicers.