The printing press was trivial to the development of the world as it helped writers and intellectuals spread their ideas more quickly.
The Chagatai Khanate was a sect of the former Mongolian Empire. It had great significance to the development of the global market in that it was a major crossroads for the Silk Road.
The arrival of Conquistador Hernan Cortes marked the beginning of a time of great suffering for the Native Americans in Central and South America.
The Safavid Empire was a Persian empire at the crossroads between Europe and Asia. Its strategic location in between the two major cultural hubs made it very powerful.
The first prime minister of England was one of the first truly democratically elected leaders in the world.
Emporer Kanxi was objectively one of the most powerful and influential leaders in Eastern Asia. He lead huge conquests to expand the Qing Dynasty's sphere of influence.
The American Revolution marked the beginning of the Age of Revolutions, in which brutal monarchies would be taken down by the people to form more modern governments.