The term theory of equations is mainly used in the context of the history of mathematics.

History The history of the ambulance begins in ancient times, with the use of carts to transport incurable patients by force.

It was the first time in the history of Vietnam that paper money was used in trading.

Salk's vaccine was then used in a test called the Francis Field Trial, led by Thomas Francis the largest medical experiment in history.

History The earliest recorded use of the term in the English language dates from 1534, when it appears in one of the first English translations of the New Testament.

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History The history of the Portuguese Army is directly connected to the history of Portugal.

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