Ancient Greece is known for its contributions to philosophy, diplomacy, and technology. Greek diplomacy influenced modern practices such as transparency and public engagement. Notable figures like Demosthenes and Thucydides played significant roles in ancient Greek diplomacy. Diplomatic tools like proxenoi and envoys were essential for maintaining relations between city-states. Innovative communication methods, such as steganography and early telegraphs, were also developed in ancient Greece. The etymology of terms like 'diplomacy' and 'technology' traces back to Greek origins. Ancient Greek diplomacy laid the groundwork for modern diplomatic practices and influenced international relations throughout history.