The Armenian Foreign Ministry made a post on Twitter congratulating on the occasion of the National Day of Great Britain - the King's official birthday.

“Our congratulations & best wishes on His Majesty the King’s Official Birthday. On this occasion we wish prosperity & continued success to the people of UK. 

Working on strengthening coop [between Armenia and the United Kingdom] based on strategic dialogue & shared values of democracy, rule of law & human rights,” says the post.

British Ambassador to Armenia John Gallagher thanked the Foreign Ministry of Armenia and its head Ararat Mirzoyan for the congratulations.
“Thank you Minister Ararat Mirzoyan and MFA of Armenia for your kind message. 

I completely agree about the importance of strong cooperation to advance our shared objectives and values. 
UK in Armenia is committed to supporting Armenia’s democracy, security & sustainable development,” he tweeted.