The Congress of Vienna was a significant international meeting that took place in 1815, following the defeat of Napoleon Bonaparte. The congress was attended by representatives of major European nations and aimed to establish a new political order in Europe to prevent any further conflicts.

During the congress, several agreements were made, and three of the most significant agreements are highlighted below:

1. The territorial settlement:

One of the primary objectives of the Congress of Vienna was to redraw the political map of Europe following the Napoleonic Wars. The congress agreed on the territorial settlement, which aimed to restore the balance of power and territorial integrity of nations. The major powers agreed on new frontiers, and there was a significant shift in land ownership. Major territorial changes included the creation of the Kingdom of the Netherlands, the expansion of Prussia, and the restoration of several Italian states.

2. The collective security system:

The congress also agreed to establish a collective security system to prevent any future wars in Europe. The system was designed to be a mutual defense pact between the major powers of Europe. The idea behind this agreement was that the safety of one nation was the responsibility of all nations. It was hoped that this would promote peace and prevent aggression between nations.

3. The Concert of Europe:

The Congress of Vienna also established the ”Concert of Europe,” a system of diplomacy aimed at maintaining the balance of power in Europe. The major powers agreed to hold regular meetings to discuss any issues that might threaten the peace and stability of Europe. The Concert of Europe was instrumental in preventing wars and resolving conflicts during the 19th century.

In conclusion, the Congress of Vienna was a significant event in European history, and the agreements made during the congress had a lasting impact on the continent. The territorial settlement, the collective security system, and the Concert of Europe were three of the major agreements made, and they played a crucial role in maintaining peace and stability in Europe for much of the 19th century.