Basically the taxes were raised a ton due to government spending which caused riots. I'm not sure what was considered the official start though, sorry!<span />
I assume you mean in America, in which it had a lot to do with freedom of speech,equality,freedom of press and religious toleration which was appealing to the people.
Martin Luther King Jr., Harriet Tubman, Sojourner Truth, Rosa Parks, W.E.B. Du Bois and Malcolm X.
In the case of Brown v. Board of Education of Topeka, the U.S. Supreme Court ruled that the policy of segregation in schools was unconstitutional. One result of this ruling was that more schools were integrated.
Sōhei (僧兵, "monk soldiers", "warrior monks"[1]) were Buddhist warrior monks, The naginata is the weapon most often associated with them, though in legend as well as history many warrior monks are known to have been proficient with everything from bow and arrow to tantō and wakizashi (dagger and short sword). Many fought on horseback, and many with the ō-yoroi armor of the samurai. The sōhei were also trained to use the heavy kanabō, which was a large club forged of solid iron. Although deadly, this weapon was generally used to defeat an opponent without bloodshed.