1992Serial killer Jeffrey Dahmer was sentenced to life in prison in Milwaukee court. Wisconsin did not have the death penalty. Dahmer was convicted of raping, killing and cannibalizing 17 men, and he was murdered in prison two years later.2003The largest peace demonstration in human history took place in protest of the U.S. invasion of Iraq. As many as 30 million people in 600 cities around the world participated. The largest was in Rome and involved over 3 million people.