siglo

In a sentence

• El siglo XX estuvo lleno de avances tecnológicos.

  The 20th century was full of technological advancements.

  Here, 'siglo' is used to denote a specific century in a historical context.

• Estamos viviendo en el siglo XXI, la era de la información.

  We are living in the 21st century, the information era.

  In this example, 'siglo' refers to the current century, emphasizing its characteristics.

• Existen libros que han sobrevivido siglos de historia.

  There are books that have survived centuries of history.

  Here, 'siglos' is employed in a plural form to express a long passage of time comprising multiple centuries.