<a href="https://en.wikipedia.org/wiki/World_War_II" id="mwARI" rel="mw:WikiLink" title="World War II">World War II</a>: German forces begin the <a href="https://en.wikipedia.org/wiki/Siege_of_Leningrad" id="mwARM" rel="mw:WikiLink" title="Siege of Leningrad">Siege of Leningrad</a>.