SirTobiasII
Hello, and welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to 112th United States Congress, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you.Coemgenus (talk) 19:07, 21 November 2011 (UTC)
November 2011
edit Please refrain from making unconstructive edits to Wikipedia, as you did at Mass–energy equivalence with this edit. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you. Wikipelli Talk 19:08, 21 November 2011 (UTC)