deadliest single day on the Western Front in World War I
... that 22 August 1914, the date of the Battle of the Frontiers, was the deadliest single day on the Western Front in World War I?
... that 22 August 1914, the date of the <a href="./Battle_of_the_Frontiers" id="mwjQ" rel="mw:WikiLink" title="Battle of the Frontiers">Battle of the Frontiers</a>, was the <b id="mwjg"><a href="./Deadliest_single_days_of_World_War_I" id="mwjw" rel="mw:WikiLink" title="Deadliest single days of World War I">deadliest single day on the Western Front in World War I</a></b>?