Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
In 1947, the National Security Act, which created a National Military Establishment and the position of Secretary of Defense, went into effect.
Source: https://wtop.com/national/2023/09/today-in-history-september-18-justice-ruth-bader-ginsburg-dies/