Treaty of Yazhelbitsy
...that, as a result of the Treaty of Yazhelbitsy, the medieval state of Muscovy doubled in size?
...that, as a result of the <b id="mwBNw"><a href="./Treaty_of_Yazhelbitsy" id="mwBN0" rel="mw:WikiLink" title="Treaty of Yazhelbitsy">Treaty of Yazhelbitsy</a></b>, the medieval state of <a class="mw-disambig" href="./Muscovy" id="mwBN4" rel="mw:WikiLink" title="Muscovy">Muscovy</a> doubled in size?