The Congress of Vienna, which took place from 1814-1815, is often considered the early origins of international cooperation.

The Congress of Vienna was a diplomatic conference that aimed to reestablish peace and stability in Europe after the turmoil caused by the Napoleonic Wars. It was attended by representatives of the major European powers, including Austria, Prussia, Russia, and Great Britain, with France also being included to a lesser extent. The conference was led by the prominent diplomats of the time, such as Prince Metternich of Austria, Prince Talleyrand of France, and Viscount Castlereagh of Great Britain.

The primary objective of the Congress was to redraw the map of Europe, adjusting territorial boundaries and political structures to achieve a balance of power. The representatives sought to prevent any one nation from becoming too dominant and thereby avoid future conflicts. The boundaries of countries like France, Prussia, Austria, and Russia were negotiated, with consideration given to historical, cultural, and strategic factors. The principle of legitimacy was also emphasized, which meant that legitimate rulers deposed by Napoleon were to be restored to their thrones.

While the Congress of Vienna was primarily concerned with maintaining the status quo and preventing revolutionary uprisings, it can be considered an early example of international cooperation due to several reasons. Firstly, the Congress provided a platform for dialogue and negotiation, where the representatives of different nations could discuss their concerns and interests. This diplomatic approach helped avoid further bloodshed and was a departure from the earlier practice of resolving conflicts through warfare.

Secondly, the Congress fostered a spirit of cooperation and compromise among the participating nations. Despite their differences and rivalries, the representatives were able to find common ground and reach agreements that benefited them collectively. The balance of power principle, for example, allowed for a more stable European order by preventing any one country from dominating the continent.

Lastly, the decisions made at the Congress of Vienna set the stage for future international cooperation. The diplomatic practices and norms established during the conference provided a foundation for future multilateral negotiations and institutions. The concept of "concert of Europe" emerged, emphasizing diplomatic coordination and cooperation between major powers to preserve peace and stability.

However, it is important to note that the Congress of Vienna was not a perfect example of international cooperation. The interests of smaller nations and the desires for self-determination were often disregarded, leading to discontent and eventual nationalist movements across Europe. Additionally, the congress was seen as primarily benefiting the ruling elites and nobility, rather than addressing the growing demands for political freedoms and rights among the general population.

In conclusion, while the Congress of Vienna was not without its flaws, it can be considered an early precursor to international cooperation. Its focus on diplomatic negotiations, compromise, and balance of power helped maintain peace in Europe for several decades. The diplomatic practices and principles established during the congress also paved the way for future international cooperation and multilateralism.