Lithuanian Civil War
... that in 1382, Jogaila arrested and imprisoned his 80-year old uncle Kęstutis when he arrived for negotiations during the Lithuanian Civil War?
... that in 1382, <a class="mw-redirect" href="./Jogaila" id="mwDWU" rel="mw:WikiLink" title="Jogaila">Jogaila</a> arrested and imprisoned his 80-year old uncle <a href="./Kęstutis" id="mwDWY" rel="mw:WikiLink" title="Kęstutis">Kęstutis</a> when he arrived for negotiations during the <b id="mwDWc"><a href="./Lithuanian_Civil_War_(1381–1384)" id="mwDWg" rel="mw:WikiLink" title="Lithuanian Civil War (1381–1384)">Lithuanian Civil War</a></b>?