User talk:124.170.63.140

March 2008
Hi, the recent edit you made to Mass–energy equivalence has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thanks.  Enigma  msg! 07:08, 12 March 2008 (UTC)

Please refrain from making unconstructive edits to Wikipedia. Your edits appeared to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. —teb728 t c 07:13, 12 March 2008 (UTC)

May 2021
Hello, I'm Oshwah. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Franco-Spanish War (1635–1659)—because it 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 Help desk. Thanks.  ~Oshwah~  (talk) (contribs)   11:23, 7 May 2021 (UTC)