Pomeranian dogs originated in Pomerania, thus its name. It’s a historical region between the borders of modern-day Germany and Poland.
Prussia (now part of modern-day Germany, Poland, and Russia) was the first state in the world to adopt Protestantism when their duke, Albert of Prussia converted to Lutheranism.
The Great Dane breed of dog comes from Germany. Germany nobliltiy imported dogs from Great Britain such as the English Mastiff and the Irish wolfhound. Eventually, the Great Danes emerged from such a lineage. The Great Dane was originally known as the German boarhound in English-speaking countries.
The doberman breed of dog was developed by Karl Friedrich Louis Dobermann in the late 19th century. He was a German tax collector, and his job required a lot of danger to himself. So he bred a new type of dog to help protect him from angry citizens.
The Massacre of Verden was shortly after Charlemagne had conquered many Saxons. But about 4,500 Saxons refused to recant paganism and become Christians per his demand. So for turning away baptism into the Christian faith, Charlemagne executed them all.