For the UK, the National Library of Scotland’s historical maps are a fantastic resource: https://maps.nls.uk/ https://maps.nls.uk/ Ireland’s Ordnance Survey a

For the UK, the National Library of Scotland’s historical maps are a fantastic resource: https://maps.nls.uk/ https://maps.nls.uk/ Ireland’s Ordnance Survey also has some good historical resources: https://www.osi.ie/products/professional-mapping/historical-mapping/ https://www.osi.ie/products/professional-mapping/historical-...