Right, European countries thought that, then the War in Ukraine happened. Germany, France, and other European nations have all increased their military budgets [1], indicating that they were, unfortunately, wrong. It's clear now that we still live in a world where conquest is still on the forefront of many dictator's minds.
And that's disregarding Europe's own adventures in other countries; just look at France's parlays into Mali or Mauritania, Greece and Turkey, or Italy and their actions in the Mediterranean.
--- [1]: https://www.theguardian.com/world/2023/apr/24/defence-spendi...