Iran launches retaliatory missile/drone strikes on Israel within 72 hours

Iran attacks a US military base in the Middle East within 7 days

Iran closes or attempts to block the Strait of Hormuz within 30 days

Crude oil prices exceed $90/barrel within 7 days

Any Iranian nuclear facilities are confirmed struck

Ayatollah Khamenei makes a public address within 48 hours

The US Congress invokes or debates the War Powers Resolution within 30 days

A new Supreme Leader is formally named within 30 days

Iran launch strikes directly targeting Saudi oil infrastructure within 14 days

Houthis successfully strike a commercial vessel in the Red Sea within 7 days

Operation Epic Fury strikes continue >= 14 consecutive days

Major US mainland terrorist attack by pro-Iran terrorists

Major European mainland terrorist attack by pro-Iran terrorists

Iran assassinates an Israeli/US government leader

Mojtaba Khamenei is publicly announced as Supreme Leader within 14 days

Mojtaba Khamenei is killed by a US/Israel strike within 30 days

Israel launches a full ground invasion into Lebanon

QatarEnergy resumes LNG production within 14 days

A US Navy vessel is struck or damaged by an Iranian anti-ship missile in the Strait of Hormuz 

Iran-linked hackers cause a major disruption (outage >24 hr) to US/Israel

A senior IRGC commander or provincial governor publicly defects

Chinese-mediated ceasefire or de-escalation framework occurs

Houthis/Yemen officially announce they are joining the war

Houthis launch a confirmed attack on a US Navy vessel

US ground forces land on Kharg Island by April 15 

Strait of Hormuz reopens to commercial tanker traffic by April 30

Strike on a nuclear power plant causes a radiation incident 

Any ground raid to seize enriched uranium stockpile

Just in case anyone asks, since I've added new prop bets since the market opened, the questions that are "within X days" are starting from the day the prop bet was added.