18th Panzer-Division
...that the first time in World War II submersible tanks were used was on June 22, 1941, by German tanks of the 18th Panzer-Division?
...that the first time in <a href="./World_War_II" id="mwAoE" rel="mw:WikiLink" title="World War II">World War II</a> submersible tanks were used was on <a href="./June_22" id="mwAoI" rel="mw:WikiLink" title="June 22">June 22</a>, <a href="./1941" id="mwAoM" rel="mw:WikiLink" title="1941">1941</a>, by <a class="mw-disambig" href="./German" id="mwAoQ" rel="mw:WikiLink" title="German">German</a> tanks of the <b id="mwAoU"><a class="mw-redirect" href="./18th_Panzer_Division_(Germany)" id="mwAoY" rel="mw:WikiLink" title="18th Panzer Division (Germany)">18th Panzer-Division</a></b>?