"Heather, PBS has lesson plans for several of the historical periods you mention.  You might check the PBS Teachers' site (http://www.pbs.org/teachers) for more information.   Especially, look for Reconstruction:  The Second Civil…"

"Kristi,   Have you checked the Ancient Mesopotamia resources from the University of Chicago?  (Check http://oi.uchicago.edu/OI/MUS/ED/TRC/MESO/mesohome.html).  I don't teach World History, but this site has a large number of…"

"Lauren,   Be sure to check C-SPAN Classroom (http://www.c-spanclassroom.org/).  It's a great resource with a lot of lesson plan ideas, free giveaways (be sure to get the American Presidents Timeline poster), and other helpful…"

"We've bought into some US and World History Google Earth content, so we have been using Google Earth pretty frequently.  In these lessons, students use the generic yellow "place markers" to locate cities, etc.  They also…"