Sep 2 Pan-Germanic and nationalist Fatherland Party (Deutsche Vaterlands Partei) formed by former Grand Admiral Alfred von Tirpitz Sep 3 1st night bombing of London by German aircraft Sep 3 German troops overrun Riga, Latvia Sep 3 Grover Cleveland Alexander pitches complete wins in a doubleheader Sep 6 French pilot Georges Guynemer shoots down 54th German aircraft Sep 15 Forbes Magazine founded by B. C. Forbes and Walter Drey in the US Sep 15 Russia proclaimed a republic by Alexander Kerensky's Provisional government Honus Wagner Retires Sep 17 American baseball shortstop Honus Wagner retires at 43, Pirates retire his #33 MLB Shortshop Honus Wagner Sep 20 British assault on Polygon Forest, France Sep 20 Paraguay becomes a signatory to the Buenos Aires copyright treaty. Sep 26 British assault on Menin-street, France Sep 27 Broadhurst Theatre, designed by Herbert J. Krapp for the Shubert brothers, opens at 235 W 44th Street, NYC Aug 1917 Historical Events by Year Oct 1917 Historical Figures Authors Civil Rights Activists Inventors Kings Revolutionaries Scientists