The great event happened in 1991:

On January 4th, 13-year-old China athlete Fu Mingxia became the youngest world champion.

January 13th-China athletes won 8 gold medals, 3 silver medals and 2 bronze medals in swimming and diving in the 6th World Swimming Championships; The total number of gold medals ranked second, and Lin Li won the first world swimming champion in China.

January 2th —— The first thin-walled high-frequency pipe welding machine in China was successfully trial-produced in Bayi 3 Machinery Factory.

January 22nd-China's first launch vehicle with a height of 12km and a low latitude-"Weaver Girl III" was successfully launched at Hainan sounding launch site. "Weaver Girl 3" has taken a big step ahead of "Weaver Girl 1" in sounding height, load weight and head-shell separation, and was launched by a two-stage rocket for the first time.

February 21st-Xinhua News Agency reported that China's first large-scale offshore liquefied petrochemical steamboat designed and built by Jiangnan Shipyard was launched in recent days.

March 21-27-The first national exhibition on technological progress achievements of industrial enterprises was held in Beijing.

May 1st-the State Council issued the Notice on Prohibiting the Issuance of Shopping Vouchers Using Tokens. On the same day, Xiamen Bridge, the first cross-sea highway bridge in China, was officially opened to traffic.

on may 6th, the State Council promulgated and implemented the regulations of the people's Republic of China on the administration of product quality certification.

June 4th-People's Daily reported that a large oil field was discovered in girac area of Tarim Basin after exploration.

June 14th —— The fourth unit of Lubuge Hydropower Station in Yunnan was connected to the grid 16 days ahead of schedule, marking the start of the whole power station project. Lubuge Hydropower Station is the first national key project in China to take advantage of the World Bank loan and take the lead in international bidding competition.

June 15th-Mount Pinatubo erupts.

June 2th-Shanghai nanpu bridge runs through, connecting the two banks of Huangpu River.

June 21st-The second pulse reactor in the world was built and put into operation in Sichuan a few days ago.

June 26th-Tate's Cairn Tunnel in China and Hong Kong was opened, making it the longest road tunnel in Hong Kong.

July 3rd-Shenzhen Stock Exchange officially opened.

July 9th-China's first manned "underwater robot" was successfully developed.

July 16th-2th-The first international symposium on China's food culture was held in Beijing.

August 24th-China athlete Huang Zhihong won the women's shot put championship in the 3rd World Athletics Championships.

on September 28th, the Yanhuang Art Museum, the first large-scale art museum assisted by the private sector in China, was built in Beijing.

on October 1st, Tianjin Radio and Television Tower, the tallest tower in Asia, was completed and put into operation. The total height of the radio and television tower is 415.2 meters.

October 18th —— Yangzi 3,-ton ethylene project passed the national acceptance. This is the largest petrochemical project built at one time since the founding of the People's Republic of China.

November 14th-China Daqin Railway Phase II Project was paved. The second-phase railway project starts from Shijiazhuang Station in the west and ends at the third-phase wharf in Qinhuangdao in the east.

November 27th —— The second phase of Gezhouba Water Control Project on the Yangtze River in China passed the official acceptance by the state.

December 26th-China Xi 'an-Yan 'an railway runs through.

December 29th-Xinhua News Agency reported that in the 1991 world competition, China athletes won 93 world championships, setting 31 world records, exceeding 4.