April 15, 1989
Hu Yaobang - AP PhotoFormer Communist Party chief Hu Yaobang, a leading reformist, dies of a heart attack at the age of 73. Students at Beijing University put up posters praising Hu that indirectly criticize the opponents who forced his resignation following student demonstrations in 1986-87.
April 17
Student MarchThousands of students march in Beijing and Shanghai shouting "long live Hu Yaobang, long live democracy, long live freedom, long live the rule of law."
April 18
Student Leaders2,000 students from Beijing bicycle into Tiananmen Square and protest before the Great Hall of the People. Included in their demands for democratic reforms is the repudiation of official campaigns against freedom of the press.
April 21
Crowds of up to 100,000 demonstators gather in Tiananmen Square to mourn Hu.
April 22
Students defy police orders to leave the square, while riots break out in the provincial capitals of Xian and Changsha. Official memorial ceremonies are held for Hu at the Great Hall of the People.
April 23
Policeman Supports StudentsBeijing students announce a boycott of university classes.
April 24
Student Strike At Beijing UniversityTens of thousands of students at Beijing universities go on strike, demanding a dialogue with the government.
April 27
Students Rally In The SquareBolstered by broad-based support, more than 150,000 students surge past police lines and fill Tiananmen Square, chanting slogans for democracy and freedom.
April 29
Government officials meet with student leaders, but independent student groups say they will continue a class boycott at 41 university campuses in Beijing.
May 2
6,000 students march in Shanghai.
May 4
100,000 students and supporters march on Tiananmen square to celebrate the 70th anniversary of China's first student movement, while similar demonstrations are held in Shanghai, Nanjing and other cities. 300 journalists protest outside the official Xinhua News Agency.
May 9
Journalists petition the government for freedom of the press.
May 13
Student Hunger Strike2,000 students begin a hunger strike in Tiananmen Square.
May 15
Rally On The Eve Of Gorbachev's VisitGovernment deadline for students to leave the square comes and goes. A welcoming ceremony for Soviet leader Mikhail Gorbachev's state visit is moved to the airport.
May 16
Student RallyHundreds of thousands of demonstrators occupy the square.
May 18
Li Peng - AP PhotoOne million people march in support of the hunger strikers. Li Peng, Premier of the State Council, issues a stern warning to student leaders and refuses to discuss their demands.
May 19
Zhoa Ziyang - AP Photo Ziyang, China's General Secretary, makes a pre-dawn visit to weakened hunger strikers. In the evening the students decide to end the hunger strike, but quickly change their mind when Li and President Yang Shangkun announce martial law. Zhao reportedly resigns or is ousted from power after failing to convince Li and others to compromise.
May 28
Yang Shangkun - AP PhotoAbout 80,000 people (mostly students from outside the capital) demonstrate but, unlike past rallies, few workers participate.
May 30
Goddess Of DemocracyStudents unveil their "Goddess of Democracy," a replica of the Statue of Liberty, on the square. The government calls it an insult to the nation.
May 31
Farmers and workers stage the first of several pro-government rallies in Beijing's suburbs.
June 1
PLA Troops Are Stopped By CiviliansThe Beijing Municipal Government bans all foreign press coverage of the demonstrations.
June 3
Tens of thousands of troops advance on the city shortly after midnight, but are repulsed by residents who put up barricades. By the afternoon 5,000 troops appear outside the Great Hall of the People, but are again surrounded and stopped. In the final assault that evening, troops shoot and beat their way to the square.
June 4
Troops occupy the square and smash the "Goddess of Democracy" with tanks. The shooting continues with soldiers periodically firing on crowds gathered on the outskirts of the square. Residents set fire to more than 100 military trucks and armored personnel carriers. The government claims the "counterrevolutionary riots" have been suppressed. Meanwhile, riots break out in southwestern Chengdu.
June 5
PLA Troops Confront CiviliansThere are reports of clashes between rival military groups around Beijing. President Bush condemns the "bloody and violent" crackdown and orders a suspension of U.S. military sales and contacts with the Chinese government.
June 6
Foreign embassies advise their nationals to leave China. The government says 300 people were killed and 7,000 injured in the crackdown, but claims most of the dead were soldiers. There are more reports of clashes between military units. Six people are killed in Shanghai when a train runs through a barricade. The U.S. State Department announces that dissident Fang Lizhi and his wife have sought refuge in the U.S. Embassy.
June 7
Wounded CivilianTroops, responding to what they say is sniper fire, shoot into a foreign diplomatic compound. The United States and other governments order the mandatory evacuation of dependents of diplomatic personnel.
June 8
An Advancing TankPremier Li Peng appears in public for the first time since the crackdown to congratulate troops.
June 9
Deng Xiaoping - AP PhotoChina's leader Deng Xiaoping appears for the first time since May 16. In a speech to military officers he blames the turmoil on counterrevolutionaries attempting to overthrow communism.
June 10
Motorcycle Is Crushed By A TankBeijing authorities announce the arrest of more than 400 people, including student and labor leaders
June 11
Fang Lizhi - AP PhotoThe government issues a warrant for the arrest of Fang Lizhi and his wife, saying they committed crimes of "counterrevolutionary propaganda and instigation."
June 12
PLA Tank On PatrolThe government bans all independent student and labor organizations and says police and soldiers should shoot all "rioters and counterrevolutionaries."
June 13
Student Leader Wang Dan - AP PhotoThe government issues a wanted list for 21 student activists who led the democracy movement.
June 14
China orders the expulsion of Associated Press reporter John Pomfret and Voice of America Bureau Chief Alan Pessin.
June 15
Soldiers Inspect VehiclesThree Shanghai men are sentenced to death for burning a train that ran over protesters. The nationwide arrest total reaches above 1,000.
June 17
A Burned TankA Beijing court sentences eight people to death for attacking soldiers and burning vehicles during the June 3-4 assault.
June 18
Politburo member Qiao Shi appears prominently in the official media, adding to speculation the party security man will replace Zhao.
June 20
The government nullifies all exit permits in an apparent attempt to stop fugitives from leaving the country.

Source: AP, CBS - Some photos provide by Christus Rex et Redemptor Mundi.