There's also the 1966/1967 discovery date of Progenitor. Like the 1982/1983 issue and the BIO5 ages, it was a single-digit typo caused by the fact that the first appearance of the error happened to be in the Catalysis book timeline that was copy-and-pasted into several other sources, such as Archives. The editors of the Kaitai Shinsho and Perfect Capture guides didn't want to question CAPCOM's material, so they wrote around 1967 for a long time.
Then Tsukasa Takenaka corrected it to 1966 in BIO5's files.
Then Tsukasa Takenaka corrected it to 1966 in BIO5's files.
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