User talk:Cossackmamai

August 2015
Welcome to Wikipedia. At least one of your recent edits, such as the edit you made to Cossack Hetmanate, did not appear to be constructive and has been reverted or removed. Although everyone is welcome to contribute to Wikipedia, please take some time to familiarise yourself with our policies and guidelines. You can find information about these at the welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make some test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. Iryna Harpy (talk) 05:19, 23 August 2015 (UTC)

Recent edit to Cossack Hetmanate
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Cossack Hetmanate, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you!  Arun Kumar SINGH (Talk)  14:16, 5 November 2015 (UTC)

November 2015
Please stop adding unsourced content. This contravenes Wikipedia's policy on verifiability. If you continue to do so, you may be blocked from editing Wikipedia. Materialscientist (talk) 21:38, 5 November 2015 (UTC)