Short answers, pulled from the story.
Wuhan became a single metropolis in 1927 during the Northern Expedition. The three historic districts of Wuchang, Hankou, and Hanyang were previously separate cities with distinct histories before this merger.
On the 10th of October 1911 revolutionaries fired shots from the engineering barracks of the Hubei New Army signaling the start of the Wuchang Uprising. This event triggered the collapse of the Qing dynasty after two thousand years of imperial rule.
Japanese troops moved east and north around Wuhan in late 1938 forcing numerous companies and large numbers of people to withdraw westward into Hubei and Sichuan. This movement occurred as fighting continued through 1938 following the Battle of Wuhan.
Steel industry has formed the backbone of Wuhan's industrial economy since 1890. By 2010 automobile manufacturing exceeded GDP contributions from Wuhan Iron and Steel Corporation for the first time.
The lockdown in Wuhan officially ended on April 8 when no new domestic cases appeared in Hubei province. The entire Wuhan Metro network remained out of service from January 23 through the 27th of March 2020 during this period.