In 1933, Ge Weihan, a professor at the West China University Museum, investigated the remains.

In 1934, Ge Weihan, Li Mingjun etc, carried out the excavation; the achievement was highly appraised by Mr. Guo Moruo.

In 1953, the director of Southwest Museum, Mr.Feng Hanji etc investigated Sanxingdui.

In 1956, Sichuan Museum investigated Sanxingdui.

In 1958, Sichuan Museum, the History Department of Sichuan University together investigated the ruins, and found a lot of relics with ancient Shu cultural features.

In 1963, Professor Feng Hanji began excavation.

In 1980, several units carried out the large-scale excavation, and this work extended over the rest of the decade.

In 1981, the large house ruins were discovered. Aerial pictures were taken.

In 1982, the leaders of National Relics Bureau came to the site to investigate, and then Sanxingdui was listed as a nationally important archaeological site.

In 1984, the cultural remains from the late Neolithic Age to early Western Zhou were discovered in Xi Quankan, enabling the timeframe of Sanxingdui to be generally defined.

In October 1985, the work proved the city walls in the ruins were tamped with clay by laborers.

In May 1986, the Sichuan Relic Management Committee and some other units carried out large-scale excavation, pushing back the date of Sanxingdui to 5,000 years ago.

In June 1986, the No.1 sacrificial pit was found and excavated.

In August 1986, the No.2 sacrificial pit was found and excavated.

In October 1986, the national academic discussion on Sanxingdui was held.

In January 1987, the Sichuan provincial government designated the Sanxingdui remains to be an important protected unit.

In May 1987, over one thousand relics in the two pits were put into order.

Professor Shu Bangui, etc investigated Sanxingdui, and declared it to contain relics of an "ancient culture, ancient city and ancient country''.

In 1987, to protect the ruins, two brick factories were closed and moved elsewhere.

In September 1987, some relics in Sanxingdui were included in "the display of national important archaeological new discoveries" held in Beijing.

In January 1988, the State Council declared the Sanxingdui remains to be an important cultural protected relics unit in the whole country.

In February 1988, Sanxingdui Remains Working Station Museum of the Sichuan Relic Archaeology Institute was built.

In April 1988, preparations began for the Sanxingdui Museum.

In January 1989, the excavation to Sanxingdui proved the walls were tamped by laborers.

In January 1990, the excavation of the Eastern city wall began, revealed unfired bricks, showing both the age and the ways of tamping the city walls.

In March 1990, the chief building design of Sanxingdui was examined and approved.

In May 1990, a dike was built to prevent flooding.

In September 1990, some relics were included in the competition "the display of Chinese culturally splendid relics".

In June 1992, the academic discussion meeting was held to discuss the 60 years of work on Sanxingdui.

In May 1992, the excavation of the Western city wall was accepted. Sanxingdui ancient city was accepted.

In August 1992, a foundation stone laying ceremony was held for the Sanxingdui Museum.

In May 1993, some relics in Sanxingdui were put on show in the Lausanne Olympic Museum.

In July 1994, the earth building work project of the chief museum of Sanxingdui Museum was finished.

In September 1994, the Southern city wall was discovered and excavated; this showed the boundary of the ancient city area was over 3 km.

In January 1995, the content design scheme "the cultural display of ancient city, ancient country, ancient Shu" in Sanxingdui Museum was examined and approved.

In June 1995, the firm design of the display was examined and approved.

In December 1995, some relics in Sanxingdui were displayed in the Munich Hybary Foundation Arts Museum in Germany.

In April 1996, some relics in Sanxingdui were displayed in the Zurich Art Museum in Switzerland.

In August 1996, the inner decoration and displays in the Sanxingdui Museum, the outer garden and extra buildings were completed.

In September 1996, some relics in Sanxingdui were displayed in the British Museum.

In October 1996, Japan and China together investigated the surrounds of the Museum.

In February 1997, some relics in Sanxingdui were displayed in Denmark.

In Oct 1997, Sanxingdui Museum in Guanghan was opened and the relics began to be displayed fully.

In February 1998, some relics in Sanxingdui were displayed in the Guggenheim Museum in New York.

In June 1998, some relics in Sanxingdui were displayed in the Japanese cities of Tokyo, Kyoto, Fukuoka and Hiroshima.

In September 1998, "The display of ancient city, ancient country, ancient Shu" in Sanxingdui Museum was chosen as one of the ten most splendid displays in the first competition that was held by the national relics system.

In October 1998, the celebration to mark the 1st anniversary of the opening of the Sanxingdui Museum, a prize awards ceremony from the national relics system was held in Guanghan, Sichuan.

In March 1999, some relics of Sanxingdui were on show in Taipei's former Imperial Palace Museum.

In July 2000, Sanxingdui and Yinshang Civilization International Academic Discussion was held in Guanghan, Sichuan.