See also: 27th century BC in architecture, other events of the 26th century BC, 25th century BC in architecture and the architecture timeline.

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