Important Events

• CNN.com - Millenium: A Perspective Series
• Time - 1900 vs. Now
• The History Channel - "Search by Timeline"
• World History 20th Century
• Space Exploration Time Line

Inventions

• Inventors/Inventions
• The History of Invention
• Technology Timeline: 1752-1990
• Smithsonian: Inventors and Innovation

Research

• Medical History - Medical Inventions
• American Medical Association: A century of great progress in medicine

Literature

• Newbery Medal Winners, 1922-2000
• Caldecott Medal Winners 1938-2000
• The 100 best nonfiction books of the century, as chosen by the editorial board of the Modern Library
• The 100 best English-language novels of the century, as chosen by the editorial board of the Modern Library
• Book Awards

Dance

• List of Dances
• Dance in the 20th Century

Music

• Music and Culture in the Twentieth Century
• TOP 100 SONGS OF THE CENTURY - Selected by Roger Hall, musicologist and radio producer
• Top Ten Music Lists
• A Century of Classical Music
• A Century of Country Music
• A Century of Music - A Time Line
• List of Pulitzer Prize Winners in Music, 1943-2000

Style of the Century

• Fashion - History and Costumes
• 100 Years of Design
• 100 Years Ago Christmas
• The History Channel - Keyword: Toys
• Periods and Styles - Architecture Index

Art/Artists

• Modernism - 1880-1945
• Modern to Post-Modern - 1945-Present
• The Webby Awards, 1997-1999

Entertainment

• AFI 100 Years of Movies
• 100 Years of Broadway Musicals
• A Century of Theatre
• A Century of Entertainment
• Greatest Movies Ever Made
• Greatest Stars Ever Born
• Stage and Screen Chronologies
• Pulitzer Prize Plays
• Film Awards
• Theatre Awards
• Performance Awards

Notable People

• Academy of Achievement
• Nobel Prizes
• Great American Speeches