The story of the Archimedes crown is likely a legend as there is no concrete historical evidence to support its veracity. It is often recounted as a popular anecdote to highlight Archimedes' intelligence and ingenuity.

Mario Crown, Luigi Crown, Peach Crown, Daisy Crown, Yoshi Crown, Bowser Crown, Wario Crown, Waluigi Crown, Sonic Crown, Tails Crown, Knuckles Crown, Amy Crown, Shadow Crown, Dr. Eggman Crown, Vector Crown, Blaze Crown.

Pharaohs wore the royal Deshret (Red Crown), Hedjet (White Crown), Peshent (Red and White Crown), Khepresh (Blue Crown) and Nemes (Head-Cloth Crown). The queens wore Cap-Crown or other fancy headdresses).

The best concrete for making a concrete bench is Bench concrete.