Momčilo Gavrić
... that Momčilo Gavrić was the youngest soldier-participant in World War I, and the youngest lance sergeant in the world?
... that <b id="mwCuc"><a class="mw-redirect" href="./Momčilo_Gavrić_(military)" id="mwCug" rel="mw:WikiLink" title="Momčilo Gavrić (military)">Momčilo Gavrić</a></b> was the youngest soldier-participant in World War<span id="mwCuk" typeof="mw:Entity"> </span>I, and the youngest <a href="./Lance_sergeant" id="mwCuo" rel="mw:WikiLink" title="Lance sergeant">lance sergeant</a> in the world?