• excavations at the village of Timerevo near Yaroslavl-on-the-Volga revealed a huge number of African dirhams and a chess piece, all inscribed with Runic graffiti?
• the spray-painting of graffiti on a Mass Rapid Transit train in a depot by Oliver Fricker and an accomplice in May 2010 caused an outcry over the security of protected installations in Singapore?
• the Piraeus Lion is an ancient Greek statue "embellished" with runic graffiti by Vikings?
• we know about Latin profanity from both graffiti at Pompeii, and from the poems of Martial, Catullus, and Horace?
• during conversion of the Dequindre Cut into a greenway, the existing graffiti art was left in place and new additions encouraged?
• besides utility poles (example pictured), anonymous knitters from Knitta have also left their tags on the Great Wall of China and the Notre Dame de Paris?
• Swiss artist Harald Naegeli spent several months in jail in 1984 for the graffiti he had painted in Zürich from 1977 to 1979?
• Safaitic inscriptions, graffiti written by Bedouin in the Syrian Desert between the 1st century BC and the 4th century AD, can be written boustrophedon - from left to right then vice versa?
• a graffiti artist from the Bronx named PHASE 2 invented the famous "bubble letter" style of graffiti writing when tagging trains on the New York City Subway system in the early 1970s?
• Dublin's Windmill Lane Studios is regularly visited by tourists wishing to view the U2-inspired graffiti adorning the walls?

Facts on topics related to Graffiti

Hip hop

• Champagne has been featured prominently in popular culture from James Bond to hip hop?
• Minneapolis hip hop duo Ill Chemistry performed live as part of a Minnesota Ballet production?
• New York City-based hip hop poetic theater ensemble Universes were sponsored by the US State Department to tour six countries in Africa, Asia and Europe in 2008?
• Black Grace, an internationally-touring New Zealand contemporary-dance company, melds Maori and Pacific Islander indigenous dance with modern dance and hip hop?
• Disco D specialized in hip hop music and was a 2005 pioneer in composing original ring tone works for cell phones?
• The Infomatics have been called "the loudest voice in Irish hip hop"?
• So Amazin', the third studio album by singer Christina Milian, was produced mainly by hip hop producers Cool & Dre?
• rapper Lil Wayne is said to have brought the phrase "no homo" into the mainstream of hip hop?
• the hip hop magazine Rap-Up was founded by Devin Lazerine as a website when he was 15 years old?

Rapping

• Canadian actor Kevin Durand, who plays antagonist Martin Keamy in the fourth season of the television show Lost, is a former rapper and stand-up comic?
• labor leader Victor Kamber created playing cards with public figures in 1968 and the "Rappin' Ronnie" music video depicting a rapping Ronald Reagan in 1984?
• Electric Picnic 2010 is expected to feature Leftfield, Roxy Music, Public Image Ltd. and a rap duo who perform wearing plastic bags to cover their heads?
• New York City rapper Coke La Rock is often credited as being the first MC in the history of hip-hop?
• members of the Senegalese rap group Daara J were hired by campaigners in the Senegalese election of 2000 to edit their speeches?