WORLD WAR I:

http://www.spartacus.schoolnet.co.uk/FWW.htm
http://www.worldwar1.com/tlss1914.htm

a. Chronology:
http://www.spartacus.schoolnet.co.uk/FWWchronology.htm

b. Causes of war from Balkan perspective:
- http://www.lib.msu.edu/sowards/balkan/lect15.htm

c. Another causes:
- http://www.geocities.com/SouthBeach/Palms/2460/causes.html

d. Casualties:
http://www.geocities.com/SoHo/Gallery/8054/casualty.html
http://www.spartacus.schoolnet.co.uk/FWWdeaths.htm

WORLD WAR II:

Background of the war : http://www.spartacus.schoolnet.co.uk/2WWbackground.htm

a. Chronology:
http://www.spartacus.schoolnet.co.uk/2WWchron.htm

b. Timeline
http://history.acusd.edu/gen/WW2Timeline/start.html

c. Massacres and atrocities of World War II by country:
http://members.iinet.net.au/~gduncan/massacres.html

REFERENCES:
http://killeenroos.com/link/war.htm#War
http://eduscapes.com/42explore/worldwar2.htm
http://www.japan-guide.com/e/e2129.html
http://dir.yahoo.com/Arts/Humanities/History/By_Time_Period/20th_Century/Military_History/World_War_II/Timelines/