Pangaea was a supercontinent which existed approximately 200 million years ago. All the continents we now know in the world were <em>assembled as one </em>main continent and began separating until they formed the world as we know it today.
This is based on the evidence for Plate Tectonics, which have moved throughout the centuries to create the continents we now know and which are still in movement to this day, shifting.
Magna Carta: this document was signed by the King John of England in 1215 and it's known as the first document to limit the power of the king: the power to impose new taxes and imprison nobility at will.