Archimedes By Owen Straatmann By susan.holdmeyer@washington.k12.mo.us 212 Archimedes's death died at age 65. 212 BC 213 Invented the Archimedes Claw 213 BC 214 Invented the burning mirrors 214 BC 256 Invented the first Physical sphere 256 BC 263 Archimedes returns home to help in Punic Wars 263 BC 265 Invents the Archimedes Screw 265 BC 269 went to school in Alexandria,Egypt 269 BC 269 Archimedes aproximated 99.9% of Pi 269BC 270 Tests the purity of gold in King Heiro ll's crown 270 BC 287 Archimedes is born in Syracuse,Greece 287 BC