When was the previous occasion on which Iran attacked anyone?

Splendid observation DD.
Iran.
1) The worlds second largest oil producer.
2) The worlds third largest oil reserves.
3 )Second largest reserves of natural gas
They could turn off almost the entire ME oil tap.
They have a coast which runs almost the entire length of the Gulf of Hormuz.
World tankers pass through just one 2 mile channel of this Gulf.
Being so geographically located they wouldn't need much military power to make their point.
They still have a way to go in order to achieve 90% uranium enrichment. They would have to test the bomb, and the delivery system. So a nuclear threat is not imminent
Which countries including USA could afford a war. Would the general public support yet more hostilities.
Declaring war would not be a good day at the office.
Compromise and negotiation, seems a more sensible solution unless we want to bankrupt ourselves and expose more of our young service men and women as more cannon fodder.
A bit rambling - apologies.