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:
American_Broadcasting_Company

Context:
The merger between ABC and Capital Cities received federal approval on September 5, 1985. After the ABC/Capital Cities merger was finalized on January 3, 1986, the combined company – which became known as Capital Cities/ABC, Inc. – added four television stations (WPVI-TV/Philadelphia, KTRK-TV/Houston, KFSN-TV/Fresno and WTVD/Raleigh) and several radio stations to ABC's broadcasting portfolio, and also included Fairchild Publications and four newspapers (including The Kansas City Star and Fort Worth Star-Telegram). It also initiated several changes in its management: Frederick S. Pierce was named president of ABC's broadcasting division; Michael P. Millardi became vice president of ABC Broadcasting, and president of ABC Owned Stations and ABC Video Enterprises; John B. Sias was appointed president of the ABC Television Network; Brandon Stoddard became president of ABC Entertainment (a position to which he had been appointed in November 1985); and Roone Arledge became president of ABC News and ABC Sports. In February 1986, Thomas S. Murphy, who had been serving as CEO of Capital Cities since 1964, was appointed chairman and CEO emeritus of ABC. Jim Duffy stepped down as ABC Television president for a management position at ABC Communications, a subsidiary that specialized in community service programming, including shows related to literary education.

Question:
When did the merger between ABC and Capital Cities gain federal approval?

September 5, 1985