where a c {\displaystyle a_{c}} is the centripetal acceleration. The direction of the force is toward the center of the circle in which the object is moving, or the osculating circle (the circle that best fits the local path of the object, if the path is not circular).
The assassination of Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife Sophie, Duchess of Hohenberg, occurred on 28 June 1914 in Sarajevo when they were shot dead by Gavrilo Princip.
1 June 28 â Assassination of Archduke Franz Ferdinand of Austria: 19-year-old Serbian nationalist Gavrilo Princip assassinates Archduke Franz Ferdinand of Austria and his wife, Duchess Sophie, in Sarajevo, Bosnia and Herzegovina, triggering the July Crisis and World War I. April 4 â September 27 â Komagata Maru incident: Voyage of the Komagata Maru from India to Canada. 2  Due to Canadian regulations designed to exclude Asian immigrants the boat is not allowed to dock in Vancouver and is forced to return to Calcutta with all its passengers.