Later in the 20th century, after the break-up of the Soviet Union, leaders appealed to ancient ethnic feuds or tensions that ignited conflict between the Serbs, Croats and Slovenes, as well Bosnians, Montenegrins and Macedonians, eventually breaking up the long collaboration of peoples and ethnic cleansing was carried out in the Balkans, resulting in the destruction of the formerly communist republic and produced the civil wars in Bosnia and Herzegovina in 1992 – 95, resulted in mass population displacements and segregation that radically altered what was once a highly diverse and intermixed ethnic makeup of the region.

His assassination ignited ethnic tensions in the region and helped spark the Rwandan Genocide.

The tensions between the United States and Britain, which had been ignited by the war and made worse by the Fenian Raids, led to concern for the security and independence of the colonies, helping to consolidate momentum for the confederation of the colonies in 1867.

In keeping with the prevailing view of celestial bodies as balls of fire in the sky, Anaximenes proposed that the earth let out an exhalation of air that rarefied, ignited and became the stars.

* Distillation phase or gaseous phase, when the mix of evolved flammable gases with oxygen is ignited.

In the early Middle Ages, the conquest of Shewa by the Ifat Sultanate ignited a rivalry for supremacy with the Solomonic Dynasty.

This air is compressed, mixed with fuel, ignited and expelled as the exhaust gas.

Sensitivity refers to the ease with which an explosive can be ignited or detonated, i. e., the amount and intensity of shock, friction, or heat that is required.

This was a muzzleloader in which multiple charges and balls were loaded one on top of the other, with a small hole in each ball to allow the subsequent charge to be ignited after the one ahead of it was ignited.

It operated using a small wheel much like that on cigarette lighters which was wound up with a key before use and which, when the trigger was pulled, spun against a flint, creating the shower of sparks that ignited the powder in the touch hole.

Once struck, the flame from the cap in turn ignited the main charge of gunpowder, as with the flintlock, but there was no longer any need to charge the touch hole with gunpowder, and even better, the touch hole was no longer exposed to the elements.

After it had reached the proper pressure, a valve connecting the tank with the swivel was opened and the mixture was discharged from its end, being ignited at its mouth by some source of flame.

Iron oxide mixed with aluminium powder can be ignited to create a thermite reaction, used in welding and purifying ores.

In January 49 BC, Caesar crossed the Rubicon river ( the frontier boundary of Italy ) with only one legion and ignited civil war.

In August 1994, McVeigh obtained nine Kinestiks from gun collector Roger E. Moore, and ignited the devices with Nichols outside Nichols ' home in Herington, Kansas.

Quasars may also be ignited or re-ignited from normal galaxies when infused with a fresh source of matter.

When Flaherty returned to Toronto with 70, 000 feet of film, the nitrate film stock was ignited in a fire started from his cigarette, in his editing room.

In the early Middle Ages, the conquest of Shewa by the Ifat Sultanate ignited a rivalry for supremacy with the Solomonic dynasty.

The Second Punic War between Carthage and Rome was ignited by the dispute over the hegemony of Saguntum, a Hellenized Iberian coastal city with diplomatic contacts with Rome.

* Wide combustible range — easily ignited and burns with a dangerously invisible flame

The boundary layer alcohol ignited in contact with the atmosphere, accounting for the long, diffuse exhaust plume.

The operations never resulted in success and had ignited a gruesome insurgency that Khan was unable to tackle down with complete force.

* In 919, the first use of gunpowder in battle occurred with the Chinese Battle of Lang-shan Jiang ( Wolf Mountain River ), where the naval fleet of the Wen-Mu-King defeated Chien Yuan Kuan because Wen had used ' fire oil ' ( huo yóu, 火油 ) of gunpowder-fuse ignited flamethrowers to burn Chien's fleet.

Along with his father, Jim Shea Sr., he passed the Olympic Torch to the 1980 U. S. Men's Hockey Team, who then ignited the Olympic Cauldron.

This ignited a popular fascination with the planet which has been called " Mars fever ".

The appearance in this exhibition in Sun City and Lendl's Americanized living style ignited a long-lasting dispute between Lendl and the Czechoslovak communist authorities, which was never settled and resulted in his decision to apply for a green card in 1987 and later on for U. S. citizenship.

However, in both of these models, whether loss of confidence comes first, or central bank seigniorage, the other phase is ignited.

Caplock revolvers were also vulnerable to " chain fires ", wherein hot gas from a shot ignited the powder in the other chambers.

A Chinese alchemical text from 492 noted that saltpeter gave off a purple flame when ignited, providing for the first time a practical and reliable means of distinguishing it from other inorganic salts, making it possible to evaluate and compare purification techniques.

The cigarette is ignited at one end and allowed to smoulder ; its smoke is inhaled from the other end, which is held in or to the mouth and in some cases a cigarette holder may be used as well.

* 70, 000 BCE A hollow rock, shell, or other natural found object was filled with moss or a similar material that was soaked in animal fat and then ignited.

Contemporary flamethrowers can incinerate a target some 50 – 80 meters ( 165 – 270 feet ) from the gunner ; moreover, an unignited stream of flammable liquid can be fired and afterwards ignited, possibly by a lamp or other flame inside the bunker.

The other tube leads to an ignition chamber behind the exit of the gun assembly, where it is mixed with air and ignited through piezo ignition.

Seeing no value in human life, the thinking machines – now including armies of robot soldiers and other aggressive machines, with the Titans as their commanders – dominate and enslave nearly all of humanity in the universe for 900 years, until a jihad is ignited by the independent robot Erasmus's murder of Manion Butler, the young son of Serena Butler.

This ignited a feud within the membership ranks that overshadowed all other society business.

Whilst a " v " is most common, other methods to create a cavity to contain the dust whilst it is being ignited can be used.

Spark plugs may also be used in other applications such as furnaces wherein a combustible fuel / air mixture must be ignited.

On January 16, 1996, sparks from a welder ignited insulation which smoldered, generating noxious smoke that killed Marvin Arruda, 52, Ricky Del Rosario, 38, and Warren K. " Kip " Kaleo, 36, and sent twenty-six other workers to the hospital in Hilo.

The paper and its writers ignited much controversy during D ' Souza's editorship by, among other things, criticizing the College's affirmative action policies.

Since the barrel is still moving forward when the charge is ignited, about half of the recoil impulse is applied to stopping the forward motion of the barrel, while the other half is, as in the usual system, taken up in recompressing the spring.

Wood or other fuel is placed in the can and ignited.

However in urban areas, the extinguishing of fires ignited by thermal radiation may matter little, as fires may also be started in a surprise attack by blast effect induced electrical shorts, gas pilot lights, overturned stoves, and other ignition sources, as was the case in the breakfast-time bombing of Hiroshima.

When the Sun ignited in the solar nebula, hydrogen, helium and other volatile materials were evaporated in the area near the Sun.

The assassination of the Korean Empress ignited outrage among other foreign powers.

Areas with potentially explosive gases need further protection to prevent electrical sparks from igniting the gases, and internal conduit gas-tight barriers to prevent potentially ignited gases from traveling inside the conduit to other parts of the building.

Once ignited, safety fuses will burn underwater, and have no external flame that might ignite methane or other fuels such as might be found in mines or other industrial environments.

Pyrotechnic stars are pellets or simply pieces of pyrotechnic composition which may contain metal powders, salts or other compounds that, when ignited, burn a certain colour or make a certain spark effect.