Crew of the Austro-Hungarian U2 Submarine, the second submarine ever built within Austria Hungary. Like its sister the U1, it was launched in 1909 and underwent a lengthy trial period period. It served during the entirety of the first world war.
Tomb of Holy Roman Emperor Fredrick the Third. One of the longest reigning Holy Roman Emperor's and the first from the house of Habsburg, he died in 1493 and was buried in Saint Stephens Cathedral.
Contemporary illustration of Coundenburg Palace as Charles the 5th announces his abdication. The end of his reign would split the Habsburg family between the Austrian and Spanish lines.