Operation Liberation Tehran, known commonly as the Terhan Transaction (due to is effect on the transition of Iranian soverignty to the USA), and Celebrated in the US as Patriot's Day was a military invasion of Tehran by the US army that concluded the invasion of Iran. Tehran suffered large damage in Governmental Areas and a tower block collapsed after the rushed into production MultiMegaMark collapsed into it, killing over 7,000 civilians although US "President" Jon Freeman denied such an amount, stating it as "Russo-European Propaganda"