<a href="https://en.wikipedia.org/wiki/Soviet–Afghan_War" id="mwASc" rel="mw:WikiLink" title="Soviet–Afghan War">Soviet–Afghan War</a>: The <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwASg" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a> officially announces that all of its troops have <a href="https://en.wikipedia.org/wiki/Soviet_withdrawal_from_Afghanistan" id="mwASk" rel="mw:WikiLink" title="Soviet withdrawal from Afghanistan">left</a> <a href="https://en.wikipedia.org/wiki/Afghanistan" id="mwASo" rel="mw:WikiLink" title="Afghanistan">Afghanistan</a>.