User talk:Donald Sleightholme

February 2022
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Great Oxidation Event have been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 12:05, 14 February 2022 (UTC)
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 * The following is the log entry regarding this message: Great Oxidation Event was changed by Donald Sleightholme (u) (t) ANN scored at 0.926327 on 2022-02-14T12:05:50+00:00