2020 marks the 100th anniversary of the ANC Memorial Amphitheater. The moment was recognized by the opening of the CORNERSTONE & removal of the time capsule. The time capsule was opened. Amazing! https://youtu.be/S3tN6NRVed8 https://www.smithsonianmag.com/smart-news/arlington-cemetery-opens-its-105-year-old-time-capsule-180974924/