Searched for https://cros-legacy.ec.europa.eu/content/privately-held-data-%E2%80%93-tools-and-techniques-second-edition-2023_en 
Note: This calendar view maps the number of captures of https://cros-legacy.ec.europa.eu/content/privately-held-data-%E2%80%93-tools-and-techniques-second-edition-2023_en, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.