General
H-World: online discussion forum for World History, moderated, includes book reviews and discussion threads.

Internet History Sourcebooks Project; historical text archive
HyperHistory Online; an interactive timeline, good for seeing contemporary events, circumstance, personality.
World History Archives; documents to support learning about world history from a working-class and non-Eurocentric perspective.
World History Association; non-profit organization for world historians.
Historical Atlas of the 20th Century; provides a wealth of demographic and historical data
Perry Castaneda Library Map Collection; unbelievably good detail and coverage, University of Texas
World Atlas.com; another demographic and political fount of knowledge (Quick! What's the capital of Switzerland? If you said Zurich, visit this site.)
 
Africa
African Studies Quarterly; an online journal for African studies
History of Africa 400-1650; content divided by region and chronology
BBC's The Story of Africa; coverage is by theme, pages include Real Audio clips of narration
Images Of Power And Identity in Sub Saharan Africa; ten galleries of African art arranged by region.
Excerpts from Slave Narratives; edited by Steven Mintz, University of Houston
African Voices; Smithsonian site, highly interactive, elegant interface and use of multimedia
Contemporary Conflicts In Africa; employs a map interface that links user to African nation specific info
World News Africa; current events internet news service for Africa.
 
Asia
China The Beautiful; collection of China essays, content coverage and fine art exhibitions
Asia Society; Asian history, recent addresses and essays, fine art exhibitions
The History Of China; text based narrative of Chinese history
The Religions of Asia; informative and simple, provides background information, basic tenets and some texts.
Asia Source; deals substantially with social and cultural issues involving all of Asia.
WWW Virtual Library-Pacific Studies; maps and manuscripts, as well as search capability
World News Asia; current events internet news service for Asia.
 
 
Americas
Castas; an examination of Latin American miscegenation and social structure.
LADARK; the Latin American Development Archive at Johns Hopkins University.
Latin American Bureau; Find here a wealth of resources on social change and Latin America and the Caribbean which are dispersed, or known only to specialists.
Internet Modern History Sourcebook on Colonial Latin America; documents and primary sources.
The People And History of Mexico; tons of information arranged in a chronological chart with links to articles.
WWW Virtual Library-International Affairs Resources-Latin America.
Ancient Middle America; University of Minnesota, is a survey of major pre-Hispanic cultures of Mesoamerica.
 
 
Near East
The Middle East Institute; offering journals, fact sheets and discussion on Middle Eastern developments and history.
Islamic History; brief narrative descriptions and timelines of Islamic history and spread of Islam. Not very sophisticated, but helpful
The Anatomy of Islam; This site reviews the evolution of the Islamic State and the split between Shia and Sunni Islam. It then examines the sources of Islamic law.
Indian History; informative and simple, includes demographic and environmental information.
India Office Records; from the British Library, official documentation, publications and statistics
The Sepoy Rebellion
World News Mideast; current events internet news service for the Middle East.
 
Europe
The Mariner's Museum Guide to Age of Exploration; The materials that address maritime discovery from ancient times to Captain Cook's 1768 voyage to the South Pacific.
Russia and Eastern Europe; overview and chronological orientation, includes documents, and brief narrative descriptions
Documents-The Balkans; where Eastern and Western Europe seem to have the most trouble, at least during the 20th century
The History Guide-Lectures on European History; complete coverage, all text based, includes a variety of different topics
World News Europe; current events internet news service for Europe.