The downing of the Ukrainian airliner, a harsh crackdown on protests and a drastic vetting system could mean Iranians stay home in large numbers on election day.
Iranian President Hasan Rouhani declares that Iran will no longer honour the terms of its nuclear research and development programme, following previous violations of the 2015 nuclear deal.
US imposes financial sanctions on Iran's Supreme Leader Ayatollah Ali Khamenei and a string of military chiefs. Iran's ambassador to the UN says the sanctions showed that Washington does not respect international law.
Quds Day was launched by Ayatollah Ruhollah Khomeini, the leader of Iran's 1979 revolution, and is held on the last Friday of the Muslim month of fasting Ramadan.
As the US and Israel galvanise support to oust Iran from Syria, Bashar al Assad makes an appearance in Tehran flaunting the strength of Syria-Iran ties.
President Hassan Rouhani said the resignation of Foreign Minister Mohammad Javad Zarif was against Iran's national interests. Zarif is a key supporter of the president who is facing pressure over Trump's shredding of a multiparty nuclear deal.
Javad Zarif's resignation points to deep disagreements within Irans foreign policy establishment over regional ambitions.
Russia - one of the parties to the Iran pact alongside the United States, China, France, Britain, Germany and the EU - calls an ultimatum offered by Trump on the deal "extremely negative."
"This is because the assumption is that, in primary education, the groundwork for the Iranian culture of the students is laid," says the head of the state-run High Education Council.
Thousands gather across Iran to mark the anniversary of the end of "the sedition" – the last major unrest that followed disputed elections in 2009. The pre-planned rallies take place as anti-government price protests spread across the country.
The president's inauguration ceremony was attended by many international officials. Rouhani faces enormous challenges, including deepening political divisions among the country's ruling elite and US President Donald Trump's aggressive Iran policy.
Iranian state agency IRNA quoted a representative of the Quds force as saying that the elusive leader of Daesh was dead but later the statement was withdrawn.
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