There was never really a strong European identity, but Trump/Vance/Musk single-handedly managed to create a pan-European, anti-American movement with commercial implications, e.g., buyeuropean.io
And for XRechnung, we luckily have AI-converters that take your existing PDF invoice and reliably convert it into XML without a need to change existing tools or workflows: https://www.invoice-converter.com/en