Archduke Ferdinand - heir to the Austro-Hungarian throne - was murdered on a Sarajevo bridge, today in 1914; along with his wife Sophie.
The perpetrator was Gav Princip, a Bosnian Serb - and part of a group fighting for a combined Yugoslavia.
War was immediately declared, by Austria-Hungary, on Sebia - and WW1 started - with most European countries joining in.
Tens of millions died over the next few years - with many other international scores being settled. Major conflict have a propensity to attract unconnected players, with their own specific agendas.
If east/west violence escalates soon - say, between Islam and the US - nations and organisations will be quick to join both sides.
Precipitating an even larger series of confrontations - in an even more catastrophic WW3. Perhaps, the final conflict ever...
