So that by 450, the Gupta Empire-along with Iran and the Eastern Roman Empire, Byzantium-was one of the world's three superpowers.

公元450年，王朝成为该地区的超级势力，与伊朗及东罗马帝国（拜占庭）比肩。

Hypatia was born around 355 in Alexandria, then part of the Egyptian province of the Eastern Roman Empire, and an intellectual center.

希帕提娅大约于355年出生于亚历山大港，当时亚历山大港是埃及东罗马帝国的一部分，也是一个知识中心。

The last half of the 15th century saw the fall of the Byzantine Empire, or if you prefer; the eastern Roman Empire.

15世纪的下半叶见证了拜占庭帝国的瓦解，或者，如果大家愿意的话东罗马帝国的瓦解。

The Byzantine or Eastern Roman Empire) was one of the longest lasting empires in history.

拜占庭或东罗马帝国）是历史上持续时间最长的帝国之一。

The Eastern Roman Empire came to reinforce the Western Empire; in 432, their  combined forces suffered a substantial defeat.

东罗马帝国来加强西罗马帝国； 432 年，他们的联合部队遭受了重大失败。

So, the reverence given to the color blue goes as far back as the Byzantine Empire, also known as the Eastern Roman Empire which existed between 330 AD and 1453.

所以，对蓝色的崇敬可以追溯到拜占庭帝国，它也被称为东罗马帝国，存在于公元 330 年至 1453 年之间。

Well that was the Eastern Roman Empire, commonly known as the Byzantine Empire (although not by the people who lived in it who identified themselves as Romans).

好吧， 那就是东罗马帝国，通常被称为拜占庭帝国（尽管不是居住在其中的自称为罗马人的人）。