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The olive tree has been the symbol of wisdom and peace. The olive tree was the sacred tree of goddess Athena and Athens, the capital of Greece, took its name from the goddess. Zeus had decreed that the city should be given to the god who offered the most useful gift to the people. Poseidon gave them the horse. Athena struck the bare soil with her spear and caused an olive tree to spring up. The people were so delighted with the olive that Zeus gave the city to Athena and named it after her. Athena is often shown with an olive branch, a symbol of peace and plenty.