International co-operation to banish war began in 1814-15

One of the keys to the success of the Vienna system was that the victors chose to define their enemy as Napoleon himself, not his country. 

In short, in the midst of Vladimir Putin’s war, Europe is once again confronted with the necessity for peacemaking.

Mark Mazower FT 25 March 2022

https://www.ft.com/content/567107fa-2760-452b-8452-e656ca5ca478

Mark Mazower is director of the Columbia Institute for Ideas and Imagination in Paris. His latest book, ‘The Greek Revolution: 1821 and the Making of Modern Europe’