When did people stop believing in the old gods like Greek and Norse? Did the Vikings just wake up one morning and think ”this is bullshit”?

Question

When did people stop believing in the old gods like Greek and Norse? Did the Vikings just wake up one morning and think ”this is bullshit”?

In:

Answer 1

They didn’t exactly stop believing in everything. When they were christianized, a lot of their beliefs became christianized. For example, the elves of Norse mythology became reimagined as angels and fallen angels, and the spirits of Celtic mythology became the Saints.