Archaeologists have uncovered the oldest known Christian church in Armenia. Shaped like an octagon with cross-shaped extensions, the structure’s foundations are more than 1,600 years old, also making it one of the earliest known Christian churches in the world.

Archaeologists have uncovered one of the world's oldest Christian churches in the ancient city of Artaxata, Armenia, offering remarkable insight into the spread of early Christianity.

Archaeologists discovered a fourth-century Christian church in Armenia, considered the country’s oldest. Armenia is believed to be the first Christian state in the world after King Tiridates III converted to Christianity.