Who died in the year 1990?
Thannhausen, Styria:  It is where Princess Sophie of Hohenberg died in 1990. Princess Sophie of Hohenberg: Princess Sophie of Hohenberg ("Sophie Marie Franziska Antonia Ignatia Alberta von Hohenberg"; (1901--)24 1901 – (1990--)27 1990 ) was the only daughter of Archduke Franz Ferdinand of Austria and his morganatic wife Sophie, Duchess of Hohenberg, both of whom were assassinated at Sarejevo on 28 June 1914.
Princess Sophie of Hohenberg