Matt asked:

I want to know who was the firstphilosopher to say, "All men are created equal."

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As far as I'm concerned, it was Thomas Jefferson (1743-1826), the third President of the United
States, also a philosopher, who first exactly formulated as the primary author of the Declaration of
Independence:

We hold these truths to be [sacred and undeniable] self evident, that all men are created equal
and independent.

As he said men,it's interesting to note, that by 'men' Jefferson probably didn't mean all human
beings, but only (white) male humans.

The idea of (even if incomplete) equality is older: For example, John Locke's view of the state of
nature is a state of being where all men are created equal, and all men have the right to protect their
life, freedom, and possessions.

Simone Klein