Why Did Franz Ferdinand Want to Go to Serievo?

Franz ferdinand tried to get out of the trip, citing his own ill health and the ill health of the emperor. But on june seventh in a meeting with the emperor, his fate was sealed when he asked his uncle if he could decline potiorex invitation. This may sound ambiguous, but in the fraught, oblique language of the hapsburgs, it was basically a command. It was an unsebtled reminder of franz fer Ferdinand's highest responsibility, not to himself, but to the dynasty.