World War I: The <a href="https://en.wikipedia.org/wiki/Battle_of_the_Lys_(1918)" id="mwhg" rel="mw:WikiLink" title="Battle of the Lys (1918)">Battle of the Lys</a>: The <a href="https://en.wikipedia.org/wiki/Portuguese_Expeditionary_Corps" id="mwhw" rel="mw:WikiLink" title="Portuguese Expeditionary Corps">Portuguese Expeditionary Corps</a> is crushed by the German forces during what is called the <a href="https://en.wikipedia.org/wiki/German_spring_offensive" id="mwiA" rel="mw:WikiLink" title="German spring offensive">Spring Offensive</a> on the Belgian region of <a href="https://en.wikipedia.org/wiki/Flanders" id="mwiQ" rel="mw:WikiLink" title="Flanders">Flanders</a>.