Arab–Israeli conflict

Since 1948, conflict has existed between Israel and the surrounding Arab countries, rooted in Israel's presence in an area also claimed by Palestinian Arabs. The simultaneous rise of Zionism and Arab nationalism beginning late in the 19th century marked the beginning of the conflict, despite the long-term coexistence of Arab and Jewish peoples in lands that formed part of the Ottoman Empire. Zionists viewed the land as the Jewish ancestral homeland, while Arabs saw it as Arab Palestinian land and an essential part of the Islamic world.

By 1920, sectarian conflict had begun with the partition of Ottoman Syria in accord with the 1916 Sykes–Picot treaty between Britain and France that became the basis for the Mandate for Palestine and the 1917 promulgation of the Balfour Declaration that expressed British support for a Jewish homeland. The conflict escalated from an internal struggle with the 1948 establishment of Israel, in accordance with the United Nations General Assembly's adoption of the Partition Plan for Palestine. The day after the expiration of Mandatory Palestine and the Israeli Declaration of Independence, the Arab League launched the 1948 Arab–Israeli War that ended with formal partition along the Green Line. More wars followed in 1956, 1967, 1973, and 1982.

Several peace treaties and other diplomatic and economic accords were signed over the subsequent half-century. In 2002, the Arab League proposed the Arab Peace Initiative, although diplomatic activity between Israel and individual Arab countries involved ceasefires and later formal relations with some. By 2020, the Abraham Accords further calmed relations. Conflicts between Israel and various Palestinian factions ebbed and flowed, including the 1987–1993 First Intifada, Israel's intervention in the 1975–1990 Lebanese Civil War to oust the Palestine Liberation Organization from Lebanon, the 2000–2005 Second Intifada, the 2011–2024 Syrian civil war, and most recently the October 7 attacks in 2023 and ensuing Gaza war.