Not new at all, for example: https://en.wikipedia.org/wiki/Christmas_truce https://en.wikipedia.org/wiki/Christmas_truce https://en.wikipedia.org/wiki/Geneva_

Not new at all, for example: https://en.wikipedia.org/wiki/Christmas_truce https://en.wikipedia.org/wiki/Christmas_truce https://en.wikipedia.org/wiki/Geneva_Conventions https://en.wikipedia.org/wiki/Geneva_Conventions https://en.wikipedia.org/wiki/Strategic_Arms_Limitation_Talks https://en.wikipedia.org/wiki/Strategic_Arms_Limitation_Talk... A war is a complex thing, while the people at the top may want to "win", the people on the ground also just want to get on with their lives, so some pragmatism often comes into play.