You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Prime_minister

Context:
The first actual usage of the term prime minister or Premier Ministre[citation needed] was used by Cardinal Richelieu when in 1625 he was named to head the royal council as prime minister of France. Louis XIV and his descendants generally attempted to avoid giving this title to their chief ministers.

Question:
When was the title of prime minister first used?

1625