Answer:
Commas indicate a natural pause in the sentence.
The Rosetta Stone is a stone discovered in 1799, that is incredibly important as it is considered the first guide in deciphering Ancient Egyptian hieroglyphics. Its current location is The British Museum, on display.
King Charles the first was executed for treason. In London, King Charles I was beheaded for treason on January 30, 1649.
French philosophers like Voltaire, Rousseau and Montesquieu inspired the people with revolutionary ideas of liberty and equality. Montesquieu rejected the theory of the Divine Right of Kings and urged for separation of powers. Rousseau, in his book 'Social Contract', announced that sovereign power lay in popular will.
