Hostilities between Israel and Hezbollah — which have escalated over the past year, to the cusp of all-out war over the past week — are rooted in decades of conflict.

       The Israel-Lebanon border has seen a history of violence that dates to Israel’s founding, punctuated by long periods of relative calm. Conflict between Israel and Hezbollah began at the group’s founding in the 1980s, after Israel’s invasion of Lebanon, and continued through a long occupation of the country’s south by Israeli forces and several subsequent invasions after they withdrew.