On June 3, 2015, the Latvian Parliament elected Green Party member Raimonds Vejonis to be its new President.  Vejonis is the European Union’s first Green Party leader of a nation-state.

https://zeenews.india.com/news/world/latvia-elects-green-partys-vejonis-as-president_1607114.html

https://news.yahoo.com/latvian-parliament-elects-defence-minister-vejonis-president-153807530.html

https://www.bbc.com/news/world-europe-17528621