https://www.thehistorydial.com/post/blog-what-was-the-byzantine-empire 2026-05-20 https://static.wixstatic.com/media/a95062_7fb98e0302fa45c6ac70deaf033903aa~mv2.png The Hagia Sophia in Constantinople, the crown jewel of the Byzantine Empire, still standing in modern day Istanbul over 1,500 years after it was built. https://www.thehistorydial.com/post/blog-mesopotamia-birth-of-civilization 2026-05-20 https://static.wixstatic.com/media/a95062_4448b21d0b7f4e5f8572dcb7840c9a39~mv2.jpg