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"We should not forget the past. The history tells us that we will be beaten if we are week," said Yang Jianhua, a 56-year-old worker who beat the bell at the 9.18 History Museum.
Dozens of cities across China including Harbin, Changchun and Xi'an also sounded the alarms at 9:18 a.m. to remind the people of the humiliating history.
On Sept. 18 in 1931, Shenyang resounded with the noise of cannons and explosions when Japanese forces attacked the barracks of Chinese troops. The move marked the beginning of a Japanese occupation that lasted 14 years.
A history museum in Changchun, capital of northeast China's Jilin Province, opened to the public for free as from Sept. 18. The Museum covers 10,600 square meters with more than 3,000 historical documents and materials.
An exhibition in Beijing displayed 220 photos and 260 items of historical relics on ordinary people's fighting against Japanese troops. The exhibition will run until April 30 in 2010.