If a computer is a laptop with a built-in battery, then there is no risk (unless the battery is absolutely dead) of unplugging it from power. However, of a non-battery backed up PC (like an iMac or a Desktop), there could be problems, depending on PC configuration and current activity.
Updated February 23, 2017. The Haymarket Riot in Chicago in May 1886 killed several people, and resulted in a highly controversial trial followed by executions of four men who may have been innocent. The American labor movement was dealt a severe setback, and the chaotic events resonated for many years.
Connection to the Lincoln assassination: In the assassination story, James P. Ferguson is known as being the man who owned the Greenback Saloon on the north side of Fordâs Theatre. Ferguson was well acquainted with the actor turned assassin, John Wilkes Booth. On the day of Lincolnâs assassination, in the late afternoon hours, Booth had showed off his escape horse to Ferguson and some of the Fordâs Theatre employees. That night, Ferguson secured two tickets to âOur American Cousinâ.