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:
Josip_Broz_Tito

Context:
Under Tito's leadership, Yugoslavia became a founding member of the Non-Aligned Movement. In 1961, Tito co-founded the movement with Egypt's Gamal Abdel Nasser, India's Jawaharlal Nehru, Indonesia's Sukarno and Ghana's Kwame Nkrumah, in an action called The Initiative of Five (Tito, Nehru, Nasser, Sukarno, Nkrumah), thus establishing strong ties with third world countries. This move did much to improve Yugoslavia's diplomatic position. On 1 September 1961, Josip Broz Tito became the first Secretary-General of the Non-Aligned Movement.

Question:
In what year did Tito co-found the Non-Aligned Movement?

1961