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XX-XXI century vs XX-XXI centuries

Both phrases are not directly comparable as they refer to different concepts. "xx-xxi century" is correct when referring to a specific range of years within a single century, while "xx-xxi centuries" would be correct when referring to multiple centuries. Therefore, the choice between the two depends on whether you are talking about a single century or multiple centuries.

Last updated: March 20, 2024

XX-XXI century

This phrase is correct when referring to a specific range of years within a single century.

Use this phrase when you want to specify a range of years within a single century, for example, the years 1900-2000 within the 20th century.

Examples:

  • The art of the xx-xxi century is characterized by a blend of traditional and modern techniques.
  • Jul 19, 2014 ... ALAIN DELON - SEXY IS A SYMBOL OF XX-XXI CENTURY. Юрий Олейников. SubscribeSubscribedUnsubscribe 4,8344K. Loading.
  • Apr 2, 2013 ... Inventions of XX-XXI century Great Britain produced many of the most influential scientists, miles of telephone line between London and ...
  • Apr 2, 2013 ... XX-XXI century: inventions. 1. Григорьева Мария, И-306; 2. 1900s - 1930s genius and team spirit of Ernest Rutherford createnuclear physics ...
  • Oct 8, 2015 ... Art exhibition "Anthology of Latvian graphics. XX-XXI century" opens in Krasnoyarsk House of Artists (Mira ave., 56) on October 23, at 17.30.

XX-XXI centuries

This phrase is correct when referring to multiple centuries.

Use this phrase when you want to indicate a range of years spanning across two or more centuries, for example, the 19th and 20th centuries.

Examples:

  • The changes in technology over the xx-xxi centuries have been remarkable.
  • Asia Pac J Public Health. 1991;5(2):163-9. Health in the Americas XX/XXI centuries. Perspectives in international health. Guerra de Macedo C(1).
  • Evolution of Public Governance in XX-XXI Centuries: Social Dimension. Alvydas Raipa. Abstract. This article analyses the impact of public governance evolution ...
  • Formation of Ethno-Futurism at the Turn of the XX-XXI Centuries. Elvira M. Kolcheva. Abstract. The development of the international art movement of ...
  • SWEDISH ECONOMY: KEY DEVELOPMENT TRENDS IN XX-XXI CENTURIES. Abstract. The article describes the key characteristics of Swedish model of the ...

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