Maximilian I of Sweden (Frederick VI of Scandinavia)

Maximilian I (1867-1929) was the King of Sweden from 1897 until his death in 1929. He was the King of Sweden during WW1 in which he for a short time reconquered Finland that his great grandfather Gustav IV Adolf had lost almost a hundred years before that. He was married to Princess Marie Louise of Hanover with whom he had two children, including Gustav VI who would succeed him as King of Sweden.