World War I: The Battle of Haifa takes place in present-day Israel, part of the Ottoman Empire at that time.

World War I or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Main areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. There were important developments in weaponry including tanks, aircraft, artillery, machine guns, and chemical weapons. One of the deadliest conflicts in history, it resulted in an estimated 30 million military casualties, plus another 8 million civilian deaths from war-related causes and genocide. The movement of large numbers of people was a major factor in the deadly Spanish flu pandemic.

The Battle of Haifa was fought on 23 September 1918 towards the end of the Battle of Sharon which together with the Battle of Nablus formed the set piece Battle of Megiddo fought between 19 and 25 September during the last months of the Sinai and Palestine Campaign of the First World War. During the Battle of Haifa, the Indian 15th Cavalry Brigade, 5th Cavalry Division and part of the Desert Mounted Corps attacked rearguard forces of the Ottoman Empire that resulted in the capture of the towns of Haifa and Acre. This attack took place at the north western edge of the Esdraelon Plain, 40–50 miles (64–80 km) from Sharon.

Haifa is the third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of 290,306 in 2022. The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropolitan area in Israel. It is home to the Baháʼí Faith's Baháʼí World Centre, and is a UNESCO World Heritage Site and a destination for Baháʼí pilgrimage.

The Ottoman Empire, also called the Turkish Empire, was an imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Central Europe, between the early 16th and early 18th centuries.