User talk:2001:B07:A96:4C3F:E1E7:F0A1:808F:1A56

June 2021
Hello, I'm Donner60. I noticed that you made a change to an article, Jan Evangelista Purkyně, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Donner60 (talk) 21:22, 29 June 2021 (UTC)