| 14 January 2012[http://www.hellomagazine.com/royalty/201201167001/queen-margrethe-40-years-jubilee/ Queen Margrethe celebrates 40 years on Danish throne]{{cite news |title=Queen Margrethe II of Denmark marks 40 years on the throne|url=https://www.bbc.co.uk/news/world-europe-16531823 |location= Denmark |work=BBC News |date=12 January 2012 }}
| 15 September 2013{{Cite web|url=http://www.kungahuset.se/royalcourt/mediacentre/pressreleases/pressreleases/theking40yearsasswedensheadofstate.5.4ea495e313c19c119aaa185.html|title=The King: 40 years as Sweden's Head of State - Sveriges Kungahus}}