Wednesday, 24 June - Protesters engage in clashes with riot police and militia forces in Tehran in defiance of repeated bans, according to witnesses.
Defeated conservative candidate Mohsen Rezaie withdraws his complaint about the June 12 election results.
An editor of the banned Mousavi newspaper "Green Words", Alireza Beheshti, announces that 25 workers, journalists and other staff, were arrested on Monday.
Tuesday, 23 June – Iran's Guardian Council rules out anulling the disputed June 12 election results, saying there were no major irregularities in the voting process. Opposition candidates Mirhossein Mousavi and Mehdi Karroubi had called for the results to be cancelled and for a new vote to be held.
Riot police fire tear gas at some 1,000 protesters who gathered in Tehran's Haft-e Tir square in defiance of the ban.
Sunday, June 21 – Iranian state television confirms that 10 people have been found dead in the aftermath of the Saturday protests. More than 100 others are reported injured. Iranian public radio announces the arrest of 457 people. The same source reports that calm has been restored to the capital overnight Sunday.
Friday, June 19 – Khamenei calls for an end to street protests and throws his weight behind Ahmadinejad, in his first public appearance since the disputed poll.
EU leaders urge Tehran to respect right to protest and UN human rights chief Navi Pillay expresses concern about "possible illegal use of excessive force."
Defeated candidate Mehdi Karoubi calls for a new election.
Google, Facebook launch Persian service.
Thursday, June 18 – Throngs of Mousavi supporters march through Tehran in a rally attended by the reformist presidential candidate, before dispersing quietly, witnesses say. The three defeated candidates in the election cite 646 violations in the June 12 poll, according to electoral watchdog the Guardians Council.
Wednesday, June 17 – Mousavi repeats call for new election, while urging supporters to hold a march and a day of mourning on Thursday for protesters slain in clashes. As two more prominent Mousavi supporters are arrested, Iran’s foreign ministry accuses some international media of becoming the "mouthpiece of rioters".
Tens of thousands of Mousavi supporters defy a ban on opposition gatherings and take part in a "silent" protest, marching through central Tehran. State television broadcasts brief footage of the rally.
Tuesday, June 16 – State television says the rival camps staged more mass rallies in the capital, while the authorities announce restrictions on foreign media, including banning them from covering "unauthorised" rallies. Iran’s supreme leader, Ayatollah Ali Khamenei, says there should be a partial recount if required.
Attending an international security conference in Russia, President Ahmadinejad says "the age of empires has ended."
Monday, June 15 – Hundreds of thousands of pro-Mousavi supporters take part in a huge rally in central Tehran. At least seven people are killed according to state media.
Sunday, June 14 – Mousavi announces he has formally appealed against the result of the election to the Guardian Council to get the election annulled, as protests and clashes with security forces continue.
Saturday, June 13 – More than 100 members of the reformist Mosharekat party are arrested then released. Among them is Mohammed Reza Khatami, brother of former president Mohammed Khatami.
Friday, June 12 – Iran’s incumbent president, Mahmoud Ahmadinejad, claims 63% of the vote in the presidential election, a result disputed by his main opponent, Mirhossein Mousavi. Ahmadinejad is proclaimed victor that very night.
Thousands take to the streets in protest at the results and clashes break out with security forces.