Hannover Messe 2021 (digital)https://www.visit-hannover.com/en/Trade-Fairs-Conventions/The-Trade-Fair-City-Hannover/Upcoming-Trade-Fairs-Hannover/Digital-Hannover-Messe-Service/Hannover-Messe-2021-digital2024-12-22T18:22:07+01:00