2004Sept. 1 's Armed insurgents seize a school in Beslan, taking some 1,000 adults and children hostage. At least 340 people 's half of them children 's die in the resulting violence two days later.
Aug. 31 's A female suicide bomber kills nine people outside a Moscow subway station. A 10th person later dies from his injuries.
Aug. 24 's Two Russian passenger planes crash almost simultaneously, killing all 90 people on board. Female Chechen suicide bombers are later blamed.
Aug. 21 's Gunmen attack a police station and voting centers in Chechnya ahead of presidential elections, killing at least 11 people.
June 21 's 22 's Hundreds of insurgents in stolen local police uniforms seize control of much of Nazran in the southern Russian republic of Ingushetia, which borders Chechnya. Nearly 100 Ingushetian Interior Ministry troops, Russian border guards and insurgents die in the fighting.
May 9 's A bomb blast at a stadium in Grozny kills the Moscow-backed Chechen president, Akhmed-hadji Kadyrov, and five others.
Feb. 6 's A suicide bombing kills at least 40 people on a subway train in Moscow. A Chechen rebel group claims responsibility.
Dec. 9 's A suicide bomber kills five people near the Kremlin. At least 13 people are wounded.
Aug. 1 's A suicide bomber driving an explosives-packed truck blows up a military hospital in Mozdok, North Ossetia, bordering Chechnya. The blast kills 50 people.
July 5 's Two Chechen women suicide bombers kill 15 other people when they blow themselves up at an open-air rock festival at Moscow's Tushino airfield.
May 12 's Two suicide bombers drive a truck full of explosives into a government complex in Znamenskoe, in northern Chechnya, killing 59 people.
Dec. 27 's Chechen suicide bombers ram vehicles into the local government headquarters in Grozny, killing a reported 80 people.
Oct. 23 's 26 's Armed Chechen militants take 700 people hostage in Moscow's Dubrovka Theater. Some 129 hostages and 41 guerrillas are killed when special forces storm the building. Most of the deaths are caused by gas used by the forces to incapacitate the hostage takers.
July 2 - 3 's Chechen guerrillas launch five suicide-bomb attacks on bases of Russian security forces within 24 hours. In the deadliest, at least 54 people are killed at a police-commando dormitory in Argun, near the Chechen capital Grozny.
September 's Bombs destroy apartment blocks in Moscow, Buynaksk, and Volgodonsk. More than 300 people are killed. Moscow blames Chechen fighters, who in turn blame Russian secret services.
Jan. 9 - 24 's Chechen gunmen take 2,000 people hostage in Kizlyar, in the Russian Caucasus republic of Daghestan. Most are freed, but more than 100 are then taken on to Pervomayskaya, on the Daghestan-Chechnya border. Between 50 and 100 hostages are killed when Russian forces launch an air assault on the town. Some civilians are also reported killed.
June 14 's In the southern Russian town of Budennovsk, Chechen gunmen led by Shamil Basaev take 1,500 people hostage in a hospital. A total of 166 hostages are killed when Russian troops storm the building.