1900s
- 1900 - Paris, France - Exposition Universelle (1900) - Le Grand Palais
- 1900 - Adelaide, South Australia - Century Exhibition of Arts and Industries (1900)
- 1901 - Buffalo, United States - Pan-American Exposition
- 1901 - Glasgow, United Kingdom - Glasgow International Exhibition (1901)
- 1901 - Vienna, Austria-Hungary - Bosnische Weihnachts-Ausstellung (1901)
- 1901 - Charleston, United States - South Carolina Inter-State and West Indian Exposition (1901)
- 1902 - Turin, Italy - Esposizione Internazionale d'Arte Decorativa Moderna (1902)
- 1902 - Hanoi, French Indochina - Indo China Exposition Française et Internationale (1902)
- 1902 - Cork, United Kingdom of Great Britain and Ireland - Cork International Exhibition
- 1902 - New York City, United States - United States, Colonial and International Exposition (1902) (never held)
- 1902 - Toledo, Ohio, United States - Ohio Centennial and Northwest Territory Exposition (1902) - (never held)
- 1903 - Osaka, Japan - National Industrial Exposition (1903)
- 1904 - St. Louis, United States - Louisiana Purchase Exposition (also called Louisiana Purchase International Exposition and Olympic Games ): 1904 Summer Olympics
- 1905 - Portland, United States - Lewis & Clark Centennial Exposition (1905)
- 1905 - Liège, Belgium - Exposition universelle et internationale de Liège(1905)
- 1905 - London, United Kingdom - Naval, Shipping and Fisheries Exhibition
- 1905 - New York City, United States - Irish Industrial Exposition (1905)
- 1906 - Milan, Italy - Esposizione Internazionale del Sempione (1906)
- 1906 - London, United Kingdom - Imperial Austrian Exhibition
- 1906 - Marseille, France - Exposition coloniale (1906)
- 1906-1907 - Christchurch, New Zealand - International Exhibition (1906)
- 1907 - Dublin, United Kingdom - Irish International Exhibition (1907)
- 1907 - Hampton Roads, United States - Jamestown Exposition
- 1907 - Chicago, United States - World's Pure Food Exposition (1907)
- 1907 - Mannheim, Germany - Internationale Kunst-Ausstellung (1907)
- 1908 - Zaragoza, Spain - Hispano-French Exposition of 1908
- 1908 - London, United Kingdom - Franco-British Exhibition (1908)
- 1908 - New York City, United States - International Mining Exposition (1908)
- 1908 - Rio de Janeiro, Brazil - Exposição Nacional (1908)
- 1909 - London, United Kingdom - Imperial International Exhibition
- 1909 - Nancy, France - Exposition Internationale de l'Est de la France
- 1909 - Seattle, United States - Alaska-Yukon-Pacific Exposition
- 1909 - New York City, United States - Hudson-Fulton Celebration (1909)
- 1909 - San Francisco, United States - Portolá Festival (1909)
- 1909 - Quito, Ecuador - Exposición Nacional (1909)
Read more about this topic: List Of World's Fairs