| 20th Century Archives: A site dedicated to making available "lost" and uncirculated articles, stories, and news of the 20th century. Categories include business, celebrities, the future, health, history, humor, music, radio, TV, quotes, and music. |
| America in the 1930s: Views the period through films, radio programs, literature, journalism, museums, exhibitions, architecture, art and other forms of cultural expression. |
| American Cultural History - The Twentieth Century: Examines the decade which was dominated by World War II (1940-1949). Includes historic events, art and architecture, fashion, literature, music and radio, theater, film, and television. |
| American Retrospective: A look back at America in the twentieth century: architecture, historic preservation, photography, postcards, and nostalgia. |
| Berkeley Campaign Art: Images of political posters reflecting Berkeley's progressive-left community and culture from the 1970s onward. |
| California State University - Special Collections Library: Research about world's fairs from 1851-1940. includes photographs, videos and biographies. |
| Chronology of 1901: Describes events and people of that year. Categories include art, discoveries, labor, music, politics, and war. |
| Decades in 20th Century America: A collection of print and online sources for each decade, maintained by the Alameda County (CA) Library. |
| Do You Remember the 70's, 80's and 90s: Share your memories of what the 70's, 80's and 90's were really about. Read about what others remember and leave your own memories for others to read. |
| EyeWitness to History - 20th Century: First-hand accounts of historic events including sinking of the Titanic, 1906 San Francisco earthquake, Lindbergh's flight over the Atlantic, and Scott's 1912 expedition to the South Pole. |
| Historical Atlas of the Twentieth Century: Large collection of color-coded atlas maps showing world population, governments, wars, and other historical trends including many brief historical commentaries. |
| Historical Notes: Information on the Indian Refining Company, Havoline Motor Oil, and The Texas Company/Texaco Inc. |
| History: 1900s: Important events and people of the twentieth century from About.com |
| Indian Tales: Collection of memoirs, historical people and places from the times of the British Raj and colonialism in India prior to partition in 1947 written by Patrick O'Meara. |
| Internet History Group: Project aiming to exchange international historical information. |
| JN Ding Darling Foundation: Read chronicled politics, thoughts, and trends of the 20th century. Winner of two Pulitzer prizes for the drawing of editorial cartoons. |
| Morgenthau Henry - American Ambassador at Constantinople from 1913 to 1916: Remembrances of events of Great War in Ottoman Empire and the genocide of Armenians, 1918. |
| RetroPast: Interior styles from the Art Deco Period to the 1970s that includes information on kitsch kitchenware. |
| RetroWow: An online magazine of life in the 50s, 60s and 70s. |
| Seaside History: The history of the Great British Seaside Holiday from the 20s, 30s, 40s, 50s, 60s and 70s. |
| Streamliners: America's Lost Trains: A chronicle of the impact of the streamliner passenger rail system on American culture during the mid-twentieth century. |
| Teaching the 20th-Century History of the United States: Provides full-text access to the ERIC Digest of this name which deals with how to teach students about 20th Century American history. |
| The Golden Era: American popular culture from the 1930s-1940s. Information and forums covering vintage clothes, cars, music, movies, radio and history. |
| The History Guide: Lectures on Twentieth Century Europe: Series of full-text university lectures on the history of 20th century Europe, from Nietzsche's pronouncement of Godless man to the fall of Soviet Communism in 1989. |
| The Menzies Era: Australian popular culture from 1949 to 1972 including music, movies, books, and sport. |
| The Nuremberg Rallies - 1927-1939: The city's history, early rallies, galleries, images and information on the grounds and buildings, and a comparison on then and now. |
| Twentieth Century: Killeen High School's World History course notes, with activities, links and lesson plan. |
| United Nations Organization Milestones: One-page timeline of events from the creation of the UN to today. |
| WelcomeHomeSoldier.com: Dedicated to helping American veterans and others achieve peace of mind through using history, personal and collective. |
| Year by Year: 1990-2004: Highlights the most important events of the century, time line, cultural events, and natural disasters. Includes a history quiz for various decades. |
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