The "Thirty Years War" was a devastating conflict that lasted for three decades from 1618 to 1648 in central Europe. Antonyms for this term could be peace, prosperity, or diplomacy. During this period, countries were divided into two camps, Catholics and Protestants, and battlefronts were drawn across Europe, with millions of casualties lost. Conversely, peace implies a state of tranquility and harmony, with nations cooperating in trade, cultural exchanges, and scientific advancement. Prosperity, on the other hand, relates to economic growth, social development, and well-being of individuals, while diplomacy suggests dialogue and negotiation to resolve conflicts and strengthen relationships between countries.