IN THE 18TH CENTURY
Christianity/catholic
No foods are officially forbidden by Christianity.
Christianity
In the early 4th century.
Lithuania and Iceland were of the last places in Europe to convert to Christianity. Lithuania converted sometime around the 14th Century. Iceland did not fully convert till the 16th Century.
Christianity originated in europe
Christianity
It first developed in rome, but moved up into Europe quickly. Germany is part of Europe
Icons were thought to be a use of worship forbidden by God.
By the time of the fall of the Western Empire, Christianity was well established as the state religion and other religions were forbidden. Naturally, there was no prohibition on Christianity, and persecution of non-Christians was accepted practice.
Sex before marriage, abortion
Christianity began to lose ground to 'secularism' especially in Western Europe from the 19th Century to present. Offsetting these losses was the spreading of Christianity to the non Western world which continues to this day. See related link below: