Timeline of Modern Architecture

A couple of Timelines of Modern Architecture - will give you a brief idea of the place of the buildings/movements you will study in the larger scheme of things.

http://timerime.com/en/timeline/997369/Development+of+Modern+Architecture/

http://www.greatbuildings.com/times/dates/1800_to_1899.html

http://www.greatbuildings.com/times/dates/1900_to_1999.html