On This Day - What happened 15 May 1942 AD

After the Doolittle Raid, the Imperial Japanese Army conducted a massive sweep through Zhejiang and Jiangxi of China, now known as the Zhejiang-Jiangxi Campaign, with the goal of finding the surviving American airmen, applying retribution on the Chinese who aided them and destroying air bases. The operation started May 15, 1942, with 40 infantry battalions and 15–16 artillery battalions but was repelled by Chinese forces in September.

In mid-May, Japan started the Zhejiang-Jiangxi Campaign, which lasted from 15 May to 4 September in China, with the goal of inflicting retribution on the Chinese who aided the surviving American airmen in the Doolittle Raid.