The Great Pyramid in Egypt is listed as one of the Seven Ancient Wonders of the World. Construction started on the pyramid in 2540 B.C.
Because of the sheer effort and resources, in a non-mechanical era, to build them.
The earliest known pyramid has been dated back to 4621 years ago during the Holocene Epoch (11,700 years to Now) in the Quaternary Period (2,588,000 years to now).
Certainly as far back as the era of ancient Egypt. The form of the pyramids, and their alignment is remarkably true. And even then, this was almost after a lengthy period of cerebration and measuremnt.
Events during the Mesozoic include the increasing dominance of dinosaurs. The Mesozoic is marked by the appearance of flowering plants.
The Era of Good Feelings was marked by a strong sense of national unity.
The pyramids of Egypt were primarily built during the Old Kingdom period, which lasted from around 2686 to 2181 BCE. The most famous pyramids, including the Great Pyramid of Giza, were constructed during the Fourth Dynasty, specifically around 2580 to 2560 BCE. This era is known for its monumental architecture and the establishment of the pharaohs' divine status through such impressive structures.
Some ancient events that did not occur during the Cenozoic era include the extinction of dinosaurs (Cretaceous-Paleogene transition), the construction of the Egyptian pyramids (Old Kingdom of Egypt), and the founding of the Roman Empire (27 BC).
Cleopatra lived in the Hellenistic era., or the Ptolemaic era in Egypt.
Pre-dynastic Egypt
Las pirámides no son iguales. Hay que tener en cuenta que antiguamente una de las mayores incógnitas era el cielo. Muchas civilizaciones se preguntaban qué sería, qué habría etc. y la cuestión es que no todos construían las pirámides de la misma manera.
The Precambrian Era ended with the beginning of the Cambrian Period, approximately 541 million years ago. This period is characterized by the sudden appearance of a diverse range of complex life forms in the fossil record, known as the "Cambrian explosion".
The period of Egyptian history known as the "Age of the Pyramids" primarily refers to the Old Kingdom, which lasted from around 2686 to 2181 BCE. This era is characterized by the construction of the most famous pyramids, including the Great Pyramid of Giza, and the establishment of a strong central government. The Old Kingdom is marked by advancements in art, architecture, and religious practices, solidifying the pharaohs' power and divine status.