26th century BC in architecture

Buildings

 * c. 2580 BC the Pyramid of Khufu, the oldest and largest of the three great pyramids in the Giza Necropolis, is completed
 * c. 2532 BC the Pyramid of Khafre, in the Giza Necropolis, is completed
 * the Pyramid of Menkaure, in the Giza Necropolis, is completed
 * the Great Sphinx of Giza is completed