What was Franz Ferdinand's wife wearing when she was killed?

When Archduke Franz Ferdinand's wife, Sophie, Duchess of Hohenberg, was assassinated alongside him on June 28, 1914, she was wearing a long, elegant white dress. The dress was complemented by a large hat adorned with feathers. The couple was in Sarajevo for an official visit when they were attacked, marking a pivotal moment that contributed to the outbreak of World War I.