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:
United_Methodist_Church

Context:
The movement which would become The United Methodist Church began in the mid-18th century within the Church of England. A small group of students, including John Wesley, Charles Wesley and George Whitefield, met on the Oxford University campus. They focused on Bible study, methodical study of scripture and living a holy life. Other students mocked them, saying they were the "Holy Club" and "the Methodists", being methodical and exceptionally detailed in their Bible study, opinions and disciplined lifestyle. Eventually, the so-called Methodists started individual societies or classes for members of the Church of England who wanted to live a more religious life.

Question:
When did the movement that would become The United Methodist Church begin?

mid-18th century