British Armoured formations of World War II In April 1939, the Mobile Division was renamed the 1st Armoured Division and the Mobile Division (Egypt) was named the Armoured Division (Egypt) on the outbreak of war, before being renamed the 7th Armoured Division on 16 February 1940. Following the outbreak of war, the headquarters of the 2nd Armoured Division was activated on 15 December 1939. The first troops, however, were only attached to the division in the following month and then in part from forces released from the 1st Armoured Division following a divisional reorganisation. During 1940, a further three armoured divisions were formed; the 6th Armoured Division
7th Division (Imperial Japanese Army) arrived to front lines, with 26th infantry regiment in particular noted for finally stopping a Soviet advance. Because the Hokkaido was left mostly undefended, the "7th division" has returned to Asahikawa, Hokkaido in August 1940, being subordinated directly to Imperial General Headquarters as part of the strategic reserve. Also in 1940, the 25th infantry regiment was transferred to "Sakhalin mixed brigade", which become 88th division in February 1945. As result, the "7th division" has become the triangular division. In 1942, despite its specialization in Arctic warfare, the 28th Infantry Regiment of the 7th Division, under the command of Kiyonao Ichiki