Lutheranism
Lutheranism is the most practiced religion in Latvia. Lutheranism is a major branch in Christianity. This religion is founded by Martin Luther a German man during the renaissance and who was a Protestant Reformation and who countered the claims of the current Roman Catholic.
Lutheranism believe in some of the following, they believe in predestination, they also believe the bible came directly from god, and that there are two types of content that the bible brings, law and gospel, they also believe in infancy baptism.
There are multiple branches of Lutheranism, Orthodox and rationalism
If you want more detailed information i will send some cites below, however some might not be creditable.
http://www.religionfacts.com/christianity/denominations/lutheranism.htm | http://en.wikipedia.org/wiki/Lutheranism | http://en.wikipedia.org/wiki/Martin_Luther