I was going to bring up how Russia was apparently late to the War of the Third Coalition due to still being on the old calendar, but it turns out to be not true

I was going to bring up how Russia was apparently late to the War of the Third Coalition due to still being on the old calendar, but it turns out to be not true: http://dcjack.org/kagan%20on%20ulm.html http://dcjack.org/kagan%20on%20ulm.html I have also heard similar (fanciful) stories about the start of WW1, when Russia was still on Julian.