sentences:  However, the talks came to a halt because of the military coup led by Park Chung-hee on May 16.On May 20, 1961, he was removed from the position of Prime Minister after less than one year in power.In January 2005, the government of the Republic of Korea uncovered 1,200 pages of diplomatic documents of the Treaty on Basic Relations between Japan and the Republic of Korea of 1965 that had been kept secret for forty years.