Which architectural innovation made Hagia Sophia the world's largest interior space in 537?

💡 The Answer

• Hagia Sophia was the first building to fully employ a pendentive dome.
• This allowed a massive circular dome to rest on a square base.
• When completed in AD 537, it was the largest interior space ever built.
• The dome's design inspired later Byzantine and Ottoman architecture.
• It is considered the epitome of Byzantine architecture.