After the western Roman empire fell in 476 AD, or some other year, the kings of the so-called Holy Roman Empire, 962 to 1806 AD routinely referred to themselves as Kaiser, the German form of the name Caesar.

西罗马帝国在公元476年衰落，或者是别的年份，所谓的神圣罗马帝国的国王，从公元962年到1806年一直自称为Kaiser (皇帝)是Caesar在德语中的表达。