I was thinking the same thing. 1870’s right?
Yep. 1870-1871. Big Prussian win. Not to mention the following:
1864 Second Schleswig War
1866 Austro-Prussian War
1866–1869 Cretan Revolt
1867 Fenian Rising
1870–1871 Franco-Prussian War
1872–1876 Third Carlist War
1873–1874 Cantonal Revolution
1875–77 Herzegovina Uprising (1875–77)
1876–78 Serbo-Turkish War (1876–78)
1876–78 Montenegrin-Ottoman War (1876-1878)
1877–1878 Russo–Turkish War
1878 Epirus Revolt of 1878
1885 Serbo-Bulgarian War
1897 Greco–Turkish War