Timeline: Iran's election protests
Updated on 18 September 2009
Riots broke out when presidential candidate Mirhossein Mousavi claimed Mahmoud Ahmadinejad's victory at Iran's 13 June general election was a "charade".
13 June
Incumbent Mahmoud Ahmadinejad wins election with nearly 63 per cent of vote, authorities say. Reformist challenger Mirhossein Mousavi has 34 per cent. Mousavi calls result a "dangerous charade". Thousands of protesters clash with police.
14 June
Mousavi asks Guardian Council to annul election.
15 June
Seven killed during march by Mousavi supporters in Tehran, state media says. Protests break out in other cities.
16 June
Thousands of pro-Mousavi demonstrators march in northern Tehran. Authorities ban foreign journalists from leaving their offices to cover street protests.
17 June
Ahmadinejad defends legitimacy of the vote in a cabinet meeting saying it "posed a great challenge to the West's democracy", Mehr news agency reports.
18 June
Thousands of Mousavi's backers rally in Tehran to mourn those killed in the mass protests.
19 June
Supreme Leader Ayatollah Ali Khamenei says protest leaders will be responsible for any bloodshed if rallies continue over the election, which he says Ahmadinejad won fairly by 11m votes.
20 June
Riot police are deployed to disperse groups of several hundred Iranians who gathered across Tehran. A suicide bomber blows himself up near the shrine of Iran's revolutionary founder Ayatollah Ruhollah Khomeini in Tehran, Iran's semi-official Mehr news agency reports.
22 June
Revolutionary Guards say they will "firmly confront in a revolutionary way rioters and those who violate the law". Police break up a protest in Tehran.
23 June
Guardian Council again rules out annulment of the poll, saying there have been no major polling irregularities. Riot police and Basij militia in Tehran ward off mass protests. American President Barack Obama says the United States is "appalled and outraged" by Iran's crackdown. Britain expels two Iranian diplomats after two of its own are expelled from Iran.
26 June
The Guardian Council found no major violations in the vote, which it described as the "healthiest" since 1979. Cleric Ahmad Khatami, a member of the Assembly of Experts, calls for the execution of leading "rioters".
28 June
Authorities detain several local British embassy staff for involvement in the unrest. Britain calls the arrests "harassment and intimidation" and demands their release.
1 July
A semi-official Iranian news agency says one of three local British embassy staff still in detention had a "remarkable role" in the post-election unrest.
5 July
A pro-reform Iranian clerical group says the outcome of the presidential vote was "invalid", even though Supreme Leader Khamenei has upheld the result.
17 July
Clashes erupt between police and reformist protesters for the first time in weeks in Tehran after former President Rafsanjani declares Iran in crisis.
20 July
Reformist former president Mohammad Khatami calls for a referendum on the legitimacy of the government.
30 July
Clashes erupt after hundreds of Mousavi supporters gather to mourn Neda Agha-Soltan at Tehran's Behesht-e Zahra cemetery but police force Mousavi to leave. Hundreds of police fire teargas to disperse protesters from nearby streets.
1 Aug
Trials begin of prominent moderates, charged with trying to overthrow the clerical establishment.
3 Aug
Supreme Leader Khamenei formally approves the second term presidency of Mahmoud Ahmadinejad.
5 Aug
Ahmadinejad sworn in by parliament in a ceremony boycotted by reformist leaders and marred by street protests.
8 Aug
A French woman and an Iranian who works for the British Embassy in Tehran confessed at a mass trial to playing a role in unrest that Iran says was a Western attempt to overthrow the clerical leadership.
21 Aug
After an Esteghlal Foolad FF football match, some more anti-government protests break out.
22 Aug
Reports of large anti-government protests near Evin Prison.
26 Aug
Khamenei says he does not believe that groups protesting against the presidential election results have foreign backing.
4 Sep
For the first time in two decades, Hassan Khomeini announced that a traditional religious event that was planned to be held in Ayatollah Khomeini's cemetery was cancelled.
13 Sep
Demonstrations in Qom after Yousef Sanei's speech.
18 Sep
Pro and anti-government demonstrations expected in Iran.