They attacked their ally constanople byzentine empire.
The Byzentine Empire formed from the Eastern Roman Empire. The Mongol Empire was formed in Asia. During the Medieval times, there was the Holy Roman Empire. There were tons of empires, I can't list them all!
The establishment of the First Bulgarian State in 681 AD. War with the Byzentine Empire, Formation of 2nd Bulgarian State, 1st and 2nd Balkan wars, Colonialism by the Otoman for 500 years. Liberation of Bulgaria with thge help of the Russian brothers, Formation of 3rd Bulgarian State. Formation of Government by the Communist Party in 1944. Fall of Communist rule in 1989 and start of era of New Democracy.
you mean what you mean
It mean what you don't what does it mean.
Mean is the average.
What does GRI mean? What does GRI mean?
The haudensaunee mean irguios
The correct usage is "what DOES it mean"
he was a mean person who lived with mean people in a mean castle on a mean hill in a mean country in a mean continent in a mean world in a mean solar system in a mean galaxy in a mean universe in a mean dimension
as you do
No, but sometimes "average" means "mean" - when it doesn't mean median, geometric mean, or something else entirely.