A fact from Minna Lammert appeared on Wikipedia's Main Page in the Did you know column on 25 July 2018 (check views). The text of the entry was as follows:
This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
This article falls within the scope of WikiProject Opera, a group writing and editing Wikipedia articles on operas, opera terminology, opera composers and librettists, singers, designers, directors and managers, companies and houses, publications and recordings. The project discussion page is a place to talk about issues and exchange ideas. New members are welcome!OperaWikipedia:WikiProject OperaTemplate:WikiProject OperaOpera articles
This article is within the scope of WikiProject Germany, a collaborative effort to improve the coverage of Germany on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.GermanyWikipedia:WikiProject GermanyTemplate:WikiProject GermanyGermany articles
This article is within the scope of WikiProject Women in Music, a collaborative effort to improve the coverage of Women in music on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Women in MusicWikipedia:WikiProject Women in MusicTemplate:WikiProject Women in MusicWomen in music articles
This article was created or improved as part of the Women in Red project in 2018. The editor(s) involved may be new; please assume good faith regarding their contributions before making changes.Women in RedWikipedia:WikiProject Women in RedTemplate:WikiProject Women in RedWomen in Red articles
It's explained in detail in the article Rhinemaidens#On stage, pictured: a complicated machinery or "apparatus" (in the historic source) to make them appear swimming. I thought it was too much detail for her article, but feel free to take over from there what you think is needed. --Gerda Arendt (talk) 08:18, 24 July 2018 (UTC)[reply]