1890 ca, Helsingfors, FINLAND: The swedish inventor and politician Count Ambjorn Pehr Sparre (1828 - 1921). Count Ambjorn was son of Pehr Sparre, a Colonel and author and father of artist Louis Sparre. He participated in Parliament, headed a bank note paper mill, and between 1855 and 1871, established a printing house which printed stamps for the national post office. He is associated with the first Swedish hydrogen balloon ascent. He was an inventor whose work was done in the areas of security paper, weapons, bicycles, flying machines, underwater vehicles as well as a number of other areas.