Answer: The speed of cultural diffusion
The emergence of the internment has made several things which are not possible before become possible. There are so many cultures on earth that would have never had any contact with one another but for the emergence of the internet. Through this avenue, one can learn so many things from other cultures without leaving one's location.
Not all but some died out from dieseses like the black plauge
The Ottoman Sultan was responsible for ruling a vast empire that stretched from Turkey to Vienna and from Iraq to Israel. His rule was often highlighted by war and conquest. The role of his mother was often referred to as "Valide", which simply means "mother" in Turkish. The Valide often had great economic resources and was responsible for internal improvements as well as being a "second in command", at times. She had a very important role in many regards.
The Tiananmen Square Massacre was a military attack on unarmed civilians protesting against economical changes introduced by Deng Xiaoping (focus on material prosperity instead of ideological purity). The government had hidden many facts about the bloo dy riot, so today there are many unexplained aspects - like the amount of victims, ranging from a few hundreds to a few thousands. It took place on 3-4 June of 1989.
