15th Century C.E.

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Incas construct Macchu Picchu

Built in the 15th century and later abandoned, it’s renowned for its sophisticated dry-stone walls that fuse huge blocks without the use of mortar, intriguing buildings that play on astronomical alignments and panoramic views.

Printing press

Johannes Gutenberg invents the printing press

A printing press is a device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. This was a dramatic improvement on earlier printing methods.

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