User talk:120.21.137.53

June 2020
Hello, I'm CLCStudent. I wanted to let you know that one or more of your recent contributions to Nguyễn Thị Minh Khai High School have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. CLCStudent (talk) 15:56, 7 June 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

November 2020
Please do not add or change content, as you did at Second Anglo-Afghan War, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. - Arjayay (talk) 09:03, 15 November 2020 (UTC)