How many years is the difference between 20 years of Qianlong and Guangxu 15 years?

134. According to historical data, Qianlong was the title of Aisingiorro Li Hong, the emperor of the Qing Dynasty. There are 60 years before and after, the year of Qianlong was 1755, Guangxu was the eleventh emperor of the Qing dynasty, and the year of Guangxu was 1889. The time difference is 134 years. Take the 15th year of Guangxu as 1889, and subtract the 20th year of Qianlong as 1755 to get the year.