US Threatens Iran with Economic D-Day Amid Stalled Nuclear Talks
President Trump has threatened 'tremendous economic consequences' and an 'economic D-Day' against Iran and any nations conducting business with it. The escalation included the publication of a map labeling the Strait of Hormuz and surrounding shorelines in Oman and Iran as 'NEW U.S. Territory.' Iran has vowed a 'devastating' response to these threats as diplomatic efforts to end the war remain in a hardening stalemate [New York Times via FDD](https://www.fdd.org/overnight-brief/august-21-2026) and [Reuters](https://www.reuters.com/).
Date: August 21, 2026
Location: Strait of Hormuz, Iran
Conflict: US-Iran Conflict
Category: sanctions
Severity: CRITICAL
Source: FDD / Reuters