User talk:209.6.74.40

December 2021
Hello, I'm Melecie. I noticed that you added or changed content in an article, List of Chinese inventions, 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. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. melecie  t  - 14:09, 21 December 2021 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Rabban bar Sauma. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Elonka 02:01, 24 December 2021 (UTC)