Facts about Armenia Here are some interesting facts about Armenia. Buildings were all made of naturally coloured volcanic rocks of varying shades of pink, hence giving her the name “pink city”.Armenia is one of the oldest country that has produced wine in the world.Holy Etchimiadzin was the first state church built in the world back in the early 4th century. This place is also the headquarter of all the churches in Armenia and it’s one of the most visited pilgrimage site in the world.Armenia is one of the only mono ethnic countries in the world.Today, 97% of the population today are Christians and Armenia has one of the most beautiful churches in the world. The country was converted to Christianity back in 301AD by St Gregory Illuminator and since then, many churches have been built under his name.All students have to take chess as a compulsory subject in school and there are even exams for it!