What was the Sepoy Rebellion, and how did it change colonial India?

The Sepoy Rebellion was when Mangal Pandey, a sepoy had attacked British Officers at a military garrison. He was arrested and executed in April by the British.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate