Fast Days

The Tenth of Tevet
http://www.ou.org/chagim/roshchodesh/tevet/fast.htm

Tenth of Tevet Wikipedia
http://en.wikipedia.org/wiki/Tenth_of_Tevet

Tzom Gedaliah
http://members.aol.com/LazerA/TzomGedaliah.html

Fast of Gedalia Wikipedia
http://en.wikipedia.org/wiki/Fast_of_Gedalia

Fast of the Firstborn
http://en.wikipedia.org/wiki/Fast_of_the_firstborn

Seventeenth of Tammuz Wikipedia
http://en.wikipedia.org/wiki/Seventeenth_of_Tammuz