Updated timelines

Civil War Timelines by Halas
Civil War Battles Timelines by Jason Hassett and Scott Higgins
Civil War timellines Emily Lugo, Chrystal Udumukwu
June 14
Jeffrey Dahmer's Life
M. Skiles, Period 4
1960 to 1970's
Texas wins independence from Mexico
1960s and 1970s
1960's - 1970's Events
1960s and 70s timeline
1960's/1970
Mexican-American war
Battle of Puebla
L. Ashcroft, Period 5
Отношение США с Россией