All in all it should be emphasised that the development and role of infantry in the strategy of warfare in the early modern era was a process and not the one-time, quick transformation. Since the late medieval period and conflicts in France in the period of the hundred year war, the tide of war will engulf the neighbouring kingdoms of which some were the direct consequence of the war in France, like Burgundy. Big battles of that war which raged for more than a century had proven that even the heavy cavalry in the conflict of a bigger magnitude can be beaten. Burgundy like the emperor Maximilian I. had learned the hard way that the infantry of the Swiss cantons cannot be conventionally routed like the common knaves. In fact, Swiss developed through the conflicts with their neighbour’s, far better, professionalised army. With that fact Swiss also could raise a formidable army in a short period of time. That was also the trait that very few European monarchs of that time could complement themselves with. Beside new tactics and manoeuvres witch were rigorously trained by men of the cantons, equipment of an individual soldier had progressed with experience and expansion of their budget. With time money became main motivation of the Swiss to enter the battles. When they stopped fighting for their lives and independence they became the best army of their period without employment which led them to fight for a higher bid. With the fact that a levy system and warfare in general became dependent on an experienced professionals which were essentially mercenaries, in time Swiss finally got their competition. After a short Swiss monopoly on the market of war battlefields will be flooded with German landsknechts who won’t push out the Swiss from the conflicts but make a professional rivalry paid by the money of the European monarchs. Meanwhile the conflicts of these monarchs in Italy will bring one more infantry unit on the battlefields. Growing power on the west, Spain, recently united by the marriage of the Isabella and Ferdinand and carried on the wings of the success of the Reconquista will become one of the most important holdings and sources of resources and fine soldiers for the grandson of the king and queen of Spain. Under the tutorship of even finer commanders Spanish soldiers will become the third most important infantry unit on the battlefields of Europe known as the Spanish tercios. Good news spread slowly, bad ones quickly, but both after those about outcomes and nature of guidance of wars and geopolitical carvings of a turbulent Europe. It didn’t take long for Scots to realise that the convention of war is heading towards unpredictable direction and that for the first time with the new weapons and tactics an old European army organised around heavy cavalry can be beaten. In the end it is worth mentioning that the transformation of warfare trough new inventions, weapons, numbers of trained soldiers and new levy system had changed the ways of fighting battles and even wars. On the other hand those changes came consequently with experience and bloody conflicts from which losing side had a chance to learn and winning one to celebrate.