The emperior Franz Joseph I. from Austria (1830-1916) on the wedding of archduke Carl Franz Joseph (later Emperior Karl I.)and Princess Zita of Bourbon- Parma in Palais Schwarzau am Steinfeld, Lower Austria. In the Midddle the bridal couple, on the right [Getty Images]

AUSTRIA - OCTOBER 21: The emperior Franz Joseph I. from Austria (1830-1916) on the wedding of archduke Carl Franz Joseph (later Emperior Karl I.)and Princess Zita of Bourbon- Parma in Palais Schwarzau am Steinfeld, Lower Austria. In the Midddle the bridal couple, on the right side the emperior. 21st of October in 1911. Photograph (Photo by Oesterreichsches Volkshochschularchiv/Imagno/Getty Images) — see more

AUSTRIA - OCTOBER 21: The emperior Franz Joseph I. from Austria (1830-1916) on the wedding of archduke Carl Franz Joseph (later Emperior Karl I.)and Princess Zita of Bourbon- Parma in Palais Schwarzau am Steinfeld, Lower Austria. In the Midddle the bridal couple, on the right side the emperior. 21st of October in 1911. Photograph (Photo by Oesterreichsches Volkshochschularchiv/Imagno/Getty Images)