Operation Diomedes I consists of three episodes of Sigillum Multarum, talking about the national flag of Russia. It was originally meant to be a singular episode for release on September 16, 2021, a day before the Russian federal elections. However, due to the topic of the national flag of Russia being such a broad topic, it eventually became three episodes, complete with their own trailer.
Operation Diomedes I Trailer: released on December 12, 2021, it announced the impending release of Operation Diomedes I.
Its release was deliberately timed to coincide with the 30th anniversary of the creation of the Russian Federation.
Sigillum Multarum Episode 16: Flag of Russia Part 1: Early History (1552-1896): released on December 13, 2021, it talks of the history of Russian flags from 1552 until 1896,
the video also compressed 300 years of history into just under 10 minutes of video.
Sigillum Multarum Episode 17: Flag of Russia Part 2: The Modern Era (1900-present): released on the 14th, it talks of the history of Russian flags from the beginning of the 20th century until today.
Sigillum Multarum Episode 18: Flag of Russia Part 3: Symbolism and Legacy: released on December 19 (after a 4-day delay, due to final editing), it talks of the symbolism behind the modern Russian flag, as well as its influence on other flags.