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I don't know who constructed the obelisk because you are not asking specifically WHICH obelisk. There are many obelisks in the world to choose from.
four.
Three possible objects an obelisk, a statue usually of the Pharaoh and of a god who always seemed to look like the Pharaoh.
The Washington Monument is a fine example of an obelisk. Just look at that obelisk!
Obelisk is a noun.
obelisk
hexagonal obelisk
Several Roman emperors had obelisks brought to Rome from Egypt. Augustus brought two obelisks, the Flaminian Obelisk and Solar Obelisk, from Heliopolis in 10 BC Caligula brought the the Vatican Obelisk in 40 AD. It had been brought from Karnak to Alexandria of Egypt by Augustus in 30-28 BC The Piazza Navona Obelisk was brought from Sais by Domitian The Pincian Obelisk was brought by Hadrian The Minervan pair of obelisks were brought by Diocletian The Lateranense Obelisk was brought from Amun by Constantius II The Matteian Obelisk was unearthed in the 14th century, the Macutean Obelisk in 1373 Dogali Obelisk in 1833. We do not know who brought them to Rome
Obelisk the Tormentor has 4000 ATK.
Obelisk Press was created in 1929.
Kagul Obelisk was created in 1772.
Obelisk International was created in 2006.