Like many noblewomen of her time, she took an interest in charity, especially in nursing and the care of troops wounded in the Franco-German war.
In 1878 on the 25th anniversary of the couple's marriage, Ernst gave his wife the miniature newly created Knight's Cross First Class of the Saxe-Ernestine House Order, the so-called "Princesses Cross". On the occasion of the anniversary, the Ernst-Agnes-Stiftung (Ernst-Agnes Foundation) was established.
Agnes died on 23 October 1897, at the age of 73.[5] In the city of Altenburg, Agnesplatz is named after her. She is buried in the Herzogin-Agnes-Gedächtniskirche (Duchess Agnes Memorial Church).
Author
She was the author of Ein Wort an Israel ("A Word to Israel") (Leipzig, 1893), a book which dealt with antisemitism and Christianity in Germany.[6][7][8] The book, published 1893 in German as Ein Wort an Israel as no. 37-38 of the academic series Institutum Judaicum zu Leipig. Schriften, was also translated into Italian as Una parola ad Israele.[9]
^"Women of Note". Los Angeles Times. Los Angeles, Calif. March 13, 1898. "The reigning Duchess Agnes of Saxe-Altenburg, who recently died, was the author of a book entitled "A Word to Israel," that was once well known and has been ..."
^Sachsen-Altenburg, Agnes Herzogin von, geborne Prinzessin von Anhalt (1893). Ein Wort an Israel. Schriften des Institutum Judaicum in Leipzig ; Nr. 37/38. Leipzig: Akademische Buchhandlung (W. Faber).{{cite book}}: CS1 maint: multiple names: authors list (link)
^"Sachsen-Altenburg, Agnes Herzogin von". Lexikon deutscher Frauen der Feder. Eine Zusammenstellung der seit dem Jahre 1840 erschienenen Werke weiblicher Autoren, nebst Biographien der lebenden und einem Verzeichnis der Pseudonyme, edited by Sophie Pataky, 2. Band: M-Z. Berlin: C. Pataky, 1898 (in German). zero.org. Archived from the original on 1 March 2009. Retrieved 5 January 2010.
^"WorldCat". Archived from the original on 2021-10-22. Retrieved 2010-01-05.