Today hundreds of millions dwell in freedom from the Baltic to the Adriatic from the Western Approaches to the Aegean. And while we must never take this for granted the first purpose of the European Union - to secure peace - has been achieved and we should pay tribute to all those in the EU alongside Nato who made that happen.
Sure science involves trial and error. Scientists refine theories each day. But as they do they help us grasp more clearly the wonders of the world and the universe.