2013 Event Americans learn the FBI and CIA had previous intelligence from Russia warning U.S. intelligence agencies about Tamerlan Tsarnaev's extremist connections before the Boston Marathon bombings 2013 Event Suspects in the Boston Marathon Bombings are identified as Kyrgyzstan-born Muslims Dzhokhar Tsarnaev, age 19, and his 28-year old brother Tamerlan Tsarnaev 1941 Event Michael Gerasimov opens grave of Tamerlan "Lenk" 1405 Death Timur/Tamerlan "Lenk", Crippled, Mongols monarch, dies at about 68
