User talk:76.21.156.223

December 2016
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to First Transcontinental Railroad has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 00:19, 20 December 2016 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: First Transcontinental Railroad was changed by 76.21.156.223 (u) (t) ANN scored at 0.87636 on 2016-12-20T00:19:48+00:00.

December 2018
Hello, I'm Wham2001. I noticed that you added or changed content in an article, John Gast (painter), but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. Wham2001 (talk) 18:08, 2 December 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.