World War II - Gale History in Context
Encyclopedia of WWII -- Spartacus Schoolnet UK
World War II -- BHA Britannica
BBC History: WWII -- British Broadcasting Corporation UK
WW2History -- Multimedia Resource by Laurence Rees
BBC On This Day: WWII -- Timeline of main events during World War II
Second World War History -- Events by year, nation, battle (contains ads)
History Channel: WW II
PsyWar.org: Great collection of propaganda, searchable by conflict.
A list of the main military generals in WWII
Planning for War: Elite staff officers in the imperial Japanese army and the road to World War II
George S. Patton -- Biographies Online
Erwin J.E. Rommel -- Biographies Online
Douglas MacArthur -- Biographies Online
Rosie the Riveter: Women in WWII
Women at War
Women in WWII -- History Learning Site UK
Female Pilots
Women on the Front -- Library of Congress article
What Did You Do In The War, Grandma? -- Brown University article
Women on the Home Front (links)
Women's Army Corps (WAC) -- BHA Britannica
Recruiting posters for women in WWII