How many times were the US and Iran on the verge of a deal?

On February 28, 2026, the US and Israel launched Operation Epic Fury against Iran, sparking a war. A temporary Pakistan-mediated ceasefire began on April 8, followed by direct talks in Islamabad on April 11-12 that collapsed. Since then, the two sides have exchanged proposals via Pakistan, but several flare-ups have heightened fears of a return to full-scale fighting. The article details each time the US and Iran were close to a deal.