In groups, after reading the article on graffiti, briefly summarize the main points of the history of graffiti below.

Sorry, as an AI language model, I do not have access to any article or information unless it is given to me. Kindly provide the article or necessary information.

To summarize the main points of the history of graffiti:

1. Graffiti has a long history, dating back thousands of years to ancient civilizations like the Mayans, Egyptians, and Greeks.

2. In modern times, graffiti as we know it today emerged in the 1960s and 1970s in cities like New York City, specifically the Bronx, as a form of artistic expression by marginalized communities.

3. The late 1970s saw the emergence of graffiti writers, also known as "taggers," who started to develop their own unique styles and signatures.

4. Graffiti became associated with hip-hop culture, including elements like breakdancing, rapping, and DJing, and it gained popularity through the music and art scenes.

5. The 1980s saw graffiti spread globally, with writers from different countries and cities adopting and adapting the style according to their local context.

6. The 1990s brought a shift towards legal and commissioned graffiti or street art, with governments and businesses recognizing its artistic value.

7. Graffiti has faced controversy and legal challenges, with many governments and property owners considering it vandalism, leading to fines, penalties, and even incarceration for graffiti artists.

Overall, graffiti has a rich and evolving history, starting as a form of underground expression and evolving into a recognized and respected art form in certain contexts.