Event:
Four former guards of security company Blackwater have been convicted of manslaughter and murder charges in the shooting of 31 unarmed Iraqi civilians seven years ago in Baghdad; the incident resulted in 14 deaths and 17 injuries
More Notable Events on October 22: 1981 U.S. national debt tops $1 trillion
1975 Soviet spacecraft Venera 9 soft-lands on Venus
1963 225,000 students boycot Chicago schools in Freedom Day protest
1962 John F. Kennedy imposes naval blockade on Cuba, beginning missile crisis
1861 1st telegraph line linking West and East coasts completed
