User talk:2409:4043:2587:430C:653A:24B:33B1:EBD9

June 2020
Hello, I'm Materialscientist. I noticed that you made a change to an article, World One, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Materialscientist (talk) 05:17, 9 June 2020 (UTC)
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Please do not add or change content, as you did at World One, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. &#8208;&#8208;1997kB (talk) 05:19, 9 June 2020 (UTC)