<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwASs" rel="mw:WikiLink" title="World War I">World War I</a>: <a href="https://en.wikipedia.org/wiki/First_day_on_the_Somme" id="mwASw" rel="mw:WikiLink" title="First day on the Somme">First day on the Somme</a>: On the first day of the <a href="https://en.wikipedia.org/wiki/Battle_of_the_Somme" id="mwAS0" rel="mw:WikiLink" title="Battle of the Somme">Battle of the Somme</a> 19,000 soldiers of the <a href="https://en.wikipedia.org/wiki/British_Army" id="mwAS4" rel="mw:WikiLink" title="British Army">British Army</a> are killed and 40,000 wounded.