World War II: <a href="https://en.wikipedia.org/wiki/United_States_Army" id="mwzQ" rel="mw:WikiLink" title="United States Army">United States Army</a> troops liberate <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Ohrdruf_forced_labor_camp" id="mwzg" rel="mw:WikiLink" title="Ohrdruf forced labor camp">Ohrdruf forced labor camp</a> in Germany.