SMS Viribus Unitis was an Austro-Hungarian dreadnought battleship, the first of the Tegetthoff class. "Viribus Unitis", meaning "With United Forces", was the personal motto of Emperor Franz Joseph I.
Launch of Viribus Unitis in Trieste, 24 July 1910
A line drawing of Viribus Unitis, lead ship of the Tegetthoff class
Model of Viribus Unitis in the Museum of Military History, Vienna
Archduke Franz Ferdinand Carl Ludwig Joseph Maria of Austria was the heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo was the most immediate cause of World War I.
SMS Viribus Unitis
…Navy on 5 December 1912. She spent her early career performing training missions and making trips to foreign ports. In June 1914, she carried Archduke Franz Ferdinand on a trip to Bosnia with his wife Sophie. During his visit to Sarajevo, he was assassinated by Gavrilo Princip in the event that caused the beginning…
Franz Ferdinand posing in front of a killed elephant, 1893
Archduke Franz Ferdinand with his wife Sophie, Duchess of Hohenberg, and their three children (from left), Prince Ernst von Hohenberg, Princess Sophie, and Maximilian, Duke of Hohenberg, in 1910
As described by contemporary Spanish magazine El Mundo Gráfico: "The moment when the Austrian archdukes, following the first attempt against their lives, arrived at the City Council (of Sarajevo), where they were received by the mayor and the municipal corporation."