On the 9th of June, 1975, on the 9th of June, 1975, on the Lunar Calendar, on the 30th of April, a ceremony of liberation was held. On the 9th of June, 1975, a ceremony of liberation was held at the Cemetery of the Revolutionary Cemetery of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the Eight Treasures of the