The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/April_Uprising" id="mwbA" rel="mw:WikiLink" title="April Uprising">April Uprising</a> breaks out in <a href="https://en.wikipedia.org/wiki/Ottoman_Bulgaria" id="mwbQ" rel="mw:WikiLink" title="Ottoman Bulgaria">Ottoman Bulgaria</a>.