Gansu

province of China

10 dated entries naming Gansu, drawn from 10 separate years between 174 BCE and 1932 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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2nd century BC

174 BCEThe Xiongnu attack the Yuezhi, and force them away from Gansu.source

4th century

397The Xiongnu occupy the Gansu area, an economically important province situated along the Silk Road.source

7th century

623Tuyuhun invasion of Gansu: Tang forces under Chai Shao defeat the Tuyuhun, and prevent further incursions into Gansu (China).source

13th century

1257Spring – Mongol forces under Uriyangkhadai conduct a campaign against local Yi and Lolo tribes in Vietnam. He returns to Gansu and sends messengers to the court of Möngke Khan informing him that Yunnan is firmly under Mongolian control. Möngke Khan honors and rewards Uriyangkhadai for his military achievements.source

14th century

1389January 19 – In Ming dynasty China, General Lan Yu is rewarded by the Emperor Zhu Chongba of the Hongwu era for his victory over Mongol invaders in 1388. Lan Yu is given the title Duke of Liang, with rule over what is now the Gansu province.source

15th century

1490March or April – 1490 Qingyang event, a presumed meteor shower or air burst over Qingyang in the Gansu province in Ming dynasty China. Some later accounts lists casualties of more than 10,000 people. The only date given for the Qingyang event is that it was in "the third lunar month" on the Chinese lunar calendar coinciding with a period beginning on March 12 and ending on April 19, 1490.source

19th century

1879July 1 – An 8.0 earthquake shakes southern Gansu, killing 22,000 people.source

20th century

1920December 16 – An 8.2 Richter scale Haiyuan earthquake causes a landslide in Gansu Province, China, killing 273,000.source
1927May 22 – The 7.6 Gulang earthquake affects Gansu in northwest China with a maximum Mercalli intensity of XI (Extreme), leaving over 40,000 dead.source
1932December 25 – The 7.6 Changma earthquake shakes the Gansu Province in China with a maximum Mercalli intensity of X (Extreme). Two-hundred and seventy-five people are killed.source