<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwpQ" rel="mw:WikiLink" title="World War I">World War I</a>: Germans defeat the Russians in the <a href="https://en.wikipedia.org/wiki/Battle_of_Tannenberg" id="mwpg" rel="mw:WikiLink" title="Battle of Tannenberg">Battle of Tannenberg</a>.