World War II: The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Battle_of_Tali-Ihantala" id="mwpQ" rel="mw:WikiLink" title="Battle of Tali-Ihantala">Battle of Tali-Ihantala</a>, the largest battle ever fought in the <a href="https://en.wikipedia.org/wiki/Nordic_countries" id="mwpg" rel="mw:WikiLink" title="Nordic countries">Nordic countries</a>, begins.