prisoners of war
...that Germany still held 1.2 million Russian prisoners of war in December 1918, nine months after the Treaty of Brest-Litovsk obliged it to release them?
...that <a href="./German_Empire" id="mwAsA" rel="mw:WikiLink" title="German Empire">Germany</a> still held 1.2 million <a href="./Russia" id="mwAsE" rel="mw:WikiLink" title="Russia">Russian</a> <b id="mwAsI"><a href="./World_War_I_prisoners_of_war_in_Germany" id="mwAsM" rel="mw:WikiLink" title="World War I prisoners of war in Germany">prisoners of war</a></b> in December 1918, nine months after the <a href="./Treaty_of_Brest-Litovsk" id="mwAsQ" rel="mw:WikiLink" title="Treaty of Brest-Litovsk">Treaty of Brest-Litovsk</a> obliged it to release them?