242nd Brigade (242 Bde) was an infantry formation composed of British and Indian troops, which served in Turkey during the Occupation of Constantinople after World War I 242 Brigade was formed around Izmit, about 100 km east of Constantinople, on 30 March 1920 by General Headquarters of the British Army of Occupation.

Montague-Bates,[1] 242 Bde initially comprised three Indian Army battalions, with a proportion of British Army support troops, all drawn from 28th Division, which was serving in Turkey at the time; a British infantry battalion (1st Gordon Highlanders, from the Army of Occupation in Germany)[2] was soon added.

[3][4] During its short existence, 242 Bde was constituted as follows:[3][4] Attached: On 13 July the 20th Hussars took part in one of the last mounted actions by British cavalry, during an operation against Turkish nationalists.

[4][5] During August Major-General Edmund Ironside took over command of the troops in the Izmit area (which became 'Ironside Force').

[4] When Montague-Bates authorised a sortie over the River Sarkaria to protect his perimeter against attacks by Nationalist Turks, Ironside reprimanded him.