You don't seem to get it. These sorts of things are all examples of verifiable facts. Calendar calculations are trivial to verify with a computer, and news arch

You don't seem to get it. These sorts of things are all examples of verifiable facts. Calendar calculations are trivial to verify with a computer, and news archives existed long before iPhones and ubiquitous internet access. You don't think given his fame, that his talents were rigorously tested and verified?