User talk:103.42.192.195

January 2019
Please do not add or change content, as you did at History of aviation, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. BilCat (talk) 09:29, 31 January 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.