A long history
People have been painting and writing on walls  neighbourhoodthroughoutwere coveredjump offphenomenonused todiscriminationtagspoor areasspellsancient sitesspreadLatinteenagerexplosion history. In prehistoric times, people in Africa and Europe  Latintagsspreadjump offthroughoutdiscriminationpoor areasneighbourhoodteenagerancient sitesphenomenonwere coveredexplosionspellsused to paint pictures of animals and people in caves. Graffiti has been found on buildings at  poor areasused toexplosionancient sitesspellsLatinneighbourhoodjump offteenagerdiscriminationwere coveredthroughoutspreadtagsphenomenon in Greece, Italy, Syria and Iraq. In the Roman town of Pompeii, archaeologists have found numerous examples of graffiti written in  neighbourhoodtagsphenomenonjump offthroughoutexplosionteenagerdiscriminationused tospellswere coveredpoor areasspreadancient sitesLatin . These include religious, political and romantic messages, and even some magic  used towere coveredLatinexplosionspellsneighbourhoodteenagertagsspreadjump offpoor areasdiscriminationphenomenonancient sitesthroughout!
Modern times
In the late twentieth century, graffiti and street art became an international  were coveredused tojump offancient sitesdiscriminationneighbourhoodspellsteenagerexplosiontagsphenomenonspreadthroughoutLatinpoor areas . In the 1970s, young people in New York used pens to write their names, or '  jump offphenomenonexplosionspellsused toLatinthroughoutteenagerwere coveredancient sitesspreadtagspoor areasdiscriminationneighbourhood ', on walls around the city. One of the first 'taggers' was Demetrius, a  spreaddiscriminationexplosionphenomenonused topoor areasneighbourhoodwere coveredtagsthroughoutLatinancient sitesteenagerjump offspells from a Greek family. Demetrius's tag was TAKI 183. TAKI was his nickname and 183 was the number of the street he lived on – 183rd Street. At first, he wrote his tag on walls in his  Latinneighbourhoodthroughoutexplosionpoor areasteenagerphenomenonspellsdiscriminationjump offused towere coveredancient sitestagsspread . Then he started tagging in subway stations on the way to and from school. When the subway train stopped at a station, he would  discriminationexplosionused tophenomenonLatinspellstagsspreadneighbourhoodteenagerjump offpoor areasancient siteswere coveredthroughout , write his tag on the wall and then jump back on before the doors closed. Other teenagers noticed Demetrius's tag and started to write their own. Soon, New York's walls, buses and subway trains  discriminationancient sitestagsphenomenonthroughoutjump offneighbourhoodspreadused toteenagerwere coveredspellsLatinexplosionpoor areas with tags: Barbara 62, Joe 182 ...

Later on, some teenagers started writing tags with aerosol paints. Their tags were bigger, more colourful and took more time and imagination than the simple, pen-written tags. The trend  neighbourhoodteenagerwere coveredspreadexplosionused toLatinancient sitesspellstagsthroughoutjump offpoor areasdiscriminationphenomenon and from the 1970s, aerosol paint graffiti became a common sight on trains, buses and walls in cities around the world. In the 1990s, graffiti continued but there was also an  neighbourhoodspreadwere coveredused tospellspoor areasphenomenonancient sitesteenagerexplosionthroughoutjump offLatintagsdiscrimination in street art around the world. Some artists wanted to make political points and produced art that tried to make people think about war, inequality and  tagsthroughoutspreadancient sitesneighbourhoodLatinused toteenagerphenomenonjump offdiscriminationpoor areasspellsexplosionwere covered. Other street artists were more concerned with producing beautiful, attractive work. In South America, many street artists went to work in  ancient sitesused tospellsphenomenonspreadjump offneighbourhoodLatinexplosiondiscriminationwere coveredpoor areasteenagerthroughouttags adding colour, life and beauty to grey, city walls.