The <a href="https://en.wikipedia.org/wiki/Riograndense_Republic" id="mw1A" rel="mw:WikiLink" title="Riograndense Republic">Riograndense Republic</a> is proclaimed by rebels after defeating <a href="https://en.wikipedia.org/wiki/Empire_of_Brazil" id="mw1Q" rel="mw:WikiLink" title="Empire of Brazil">Empire of Brazil</a>'s troops in the Battle of Seival, during the <a href="https://en.wikipedia.org/wiki/Ragamuffin_War" id="mw1g" rel="mw:WikiLink" title="Ragamuffin War">Ragamuffin War</a>.