Short answers, pulled from the story.
Wuchang, Hankou, and Hanyang merged to form Wuhan in 1927. These three distinct cities existed for centuries before the Nationalist government forced them into a single administrative entity. The resulting metropolis is geographically defined by the Yangtze and Han rivers that separate these original districts.
The Wuchang Uprising began on the 10th of October 1911 when a premature explosion triggered a chain of events. This conflict led to the establishment of the Republic of China on the 1st of January 1912 and ended two millennia of imperial rule. The uprising transformed Wuhan from a regional port into the symbolic birthplace of modern China.
A catastrophic dike failure on the 27th of July 1931 inundated Wuhan and left nearly 800,000 urban citizens and rural refugees homeless. The water rose to levels exceeding normal heights by several feet and covered 32 square miles of the city. For three months, the city became a floating graveyard where sanitation broke down and diseases ravaged the population.
The Wuhan Iron and Steel complex opened on the 1st of May 1958 and became the backbone of the city's economy for decades. Under the leadership of Zhang Zhidong, the city transformed from a traditional agricultural region into a center of heavy industry. The construction of the Wuhan Yangtze River Bridge further solidified the city's role as a transportation hub connecting the Beijing-Hankou and Guangdong-Hankou railways.
Wuhan is home to nearly 200 lakes which make up one quarter of its urban territory and includes the East Lake covering 33 square kilometers. The Yellow Crane Tower is a symbol of the city that was originally built around 220 AD and last reconstructed in 1985. The Hubei Provincial Museum houses over 200,000 valued artifacts including the bell chime of Marquis Yi of Zeng discovered in 1978.
SARS-CoV-2 was first discovered in Wuhan on the 31st of December 2019 and the city was the location of the first lockdown of the pandemic in January 2020. The lockdown officially ended on the 8th of April 2020 after no new domestic cases were reported in Hubei province. The virus is believed to have first spread to humans at the Huanan Seafood Wholesale Market.