<a href="https://en.wikipedia.org/wiki/World_War_II" id="mwmg" rel="mw:WikiLink" title="World War II">World War II</a>: <a href="https://en.wikipedia.org/wiki/Operation_Weserübung" id="mwmw" rel="mw:WikiLink" title="Operation Weserübung">Operation Weserübung</a>: <a href="https://en.wikipedia.org/wiki/Nazi_Germany" id="mwnA" rel="mw:WikiLink" title="Nazi Germany">Germany</a> invades Denmark and Norway.