Group shot with Emperor Franz Joseph I of Austria on the occasion of the marriage of Archduke Carl Franz Joseph (later Emperor Karl I) to Princess Zita of Bourbon-Parma in Castle Schwarzau am Steinfeld / Lower Austria. 21th October 1911. Photograph. (Photo by Imagno/Getty Images)

Group shot with Emperor Franz Joseph I of Austria on the occasion of the marriage of Archduke Carl Franz Joseph (later Emperor Karl I) to Princess Zita of Bourbon-Parma in Castle Schwarzau am Steinfeld / Lower Austria. 21th October 1911. Photograph. (Photo by Imagno/Getty Images)