The Battle of Katia, also known as the Affair of Qatia by the British, was an engagement fought east of the Suez Canal and north of El Ferdan Station, in the vicinity of Katia and Oghratina, on 23 April 1916 during the Defence of the Suez Canal Campaign of World War I. An Ottoman force led by the German General Friedrich Freiherr Kress von Kressenstein made a surprise attack on three and a half squadrons of the British 5th Mounted Brigade, which was widely scattered to the east of Romani. Wikipedia