Serbian monk named Lazar
... that a Serbian monk named Lazar built the first mechanical clock in Russia in 1404, one of the first in Europe, at the request of Vasily I of Moscow?
... that a <b id="mwIQ"><a href="./Lazar_the_Serb" id="mwIg" rel="mw:WikiLink" title="Lazar the Serb">Serbian monk named Lazar</a></b> built the first mechanical clock in Russia in 1404, one of the first in Europe, at the request of <a href="./Vasily_I_of_Moscow" id="mwIw" rel="mw:WikiLink" title="Vasily I of Moscow">Vasily I of Moscow</a>?