Iranian state television on June 15 showed fans singing and dancing, lighting firecrackers, and honking auto horns on the streets of the capital, Tehran, after the team's 1-0 victory in St. Petersburg. The game witnessed some exciting end-to-end action as both teams attacked with vigour but in the end, it was decided by an own goal by Morocco's Aziz Bouhaddouz in second-half stoppage time as he headed a cross into the back of his own net.
"This was not a miracle".
Iran have been forced to find a different supplier for their team's footwear at the World Cup after Nike announced their decision to end their deal with Iran following the imposition of United States sanctions against the country.
Here are some of the things we learned from Iran's narrow win.
"Our strategy was, from the first minute, to create a mental collapse in the Moroccan players, we try to do that by creating frustration and block all the playmakers and the players who can create something". "But it's going to be a nice opportunity for the players to show their quality against big players, that's a great opportunity for us".
"A banner reading "#NoBan4Women" and "Support Iranian Women to Attend Stadiums" was unfurled by these Iranian fans during their country's opening match.More news: Audi CEO arrested in Germany over diesel scandal
At one point, the banner was taken down after three stadium staffers approached those holding it aloft.
The ban has often been defied by female football fans donning beards and wigs to sneak into stadiums in Iran.
"After so many years in this business, the first game of a World Cup is always hard and tough and this was no different - but it was also lovely", Iran coach Queiroz said of the country's second-ever World Cup win.
Two-time World Cup winners Uruguay will face a formidable opening hurdle when they lock horns with Egypt in their opening Group A clash of the FIFA World Cup here at the Ekaterinburg Arena on Friday.
"As a matter of respect we concede and we admit that the favourites are Morocco, Spain and Portugal due to the history, World Cup preparation, experience, maturity, and players playing in the best teams in Europe", Queiroz added.
Morocco started quickly again as play restarted, but Iran regained control of the match through forceful means, racking up a yellow card just two minutes into the half.