First, the keyword is "Ronaldinho First World Cup Age". I need to write an original article about this. The context provided includes snippets like "The U-20 FIFA", "17 Years Old", "Ronaldinho", "Legendary", etc. These should help shape the article. The article must be 600 to 900 words, with natural headings, avoid unsupported claims, and not mention that it's AI-generated. I must use only safe HTML tags like h2, h3, p, ul, ol, li, strong, and em. I'll structure the article around Ronaldinho's first World Cup experience and his age at that time. Ronaldinho made his senior World Cup debut in 2002 at the age of 22, but the context mentions "17 Years Old" and "U-20 FIFA", so I should cover his early career, including his performances in youth tournaments. Outline: - Introduction: Brief on Ronaldinho's career and focus on his first World Cup. - His early career: Including U-20 FIFA World Cup at age 17. - First senior World Cup in 2002: At age 22, but the keyword is "first World Cup age", so I'll clarify that his first senior World Cup was at 22. - Additional context from the provided snippets: Use "Legendary" and "EVEN OLD & FAT, LOOK WHAT" to highlight his timeless skill. - Conclusion: Impact and legacy. I need to ensure that all claims are supported. For example, Ronaldinho was part of Brazil's 2002 World Cup-winning squad, and he was born in 1980, so he was 21 turning 22 during the tournament. The 2002 World Cup was held from May 31 to June 30, 2002. He was born on March 21, 1980, so he was 22 during the tournament. Also, he played in the U-20 FIFA World Cup in 1999 at age 19, but the context says "17 Years Old", so maybe I should mention that he was in the youth setup at that age. I'll use headings like: - Early Beginnings: The U-20 FIFA World Cup - The First Senior World Cup in 2002 - A Legacy of Skill and Joy I'll incorporate the context naturally. For example, "Legendary" can be used in describing his moments, and "EVEN OLD & FAT, LOOK WHAT" can highlight that even later in his career, he showed brilliance. Now, let's write the article. Start with an introductory paragraph about Ronaldinho and his first World Cup age. Then, section on his early career with U-20 FIFA World Cup. Next, his senior debut in 2002. Finally, his lasting impact. Ensure word count is 600-900. Write in HTML. Final HTML structure: ```

Ronaldinho’s First World Cup Age

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Early Beginnings: The U-20 FIFA World Cup

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The First Senior World Cup in 2002

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A Legacy of Skill and Joy

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``` I'll avoid any markdown fences and use only safe HTML. Now, let's expand. Introduction: Ronaldinho, known for his mesmerizing skills and joyful play, made his mark on the world stage early. His first FIFA World Cup appearance came in 2002, but his journey began years before. This article explores the age at which Ronaldinho first participated in a World Cup, both at youth and senior levels. Section 1: Early Beginnings: The U-20 FIFA World Cup Ronaldinho’s talent was evident from a young age. At just 17, he was already turning heads in Brazil. He represented Brazil in the U-20 FIFA World Cup in 1999, held in Nigeria. Although he was 19 at that time, his early inclusion in the youth setup showed his potential. The U-20 tournament was a platform where he began to showcase his flair. But wait, the context says "17 Years Old", so I should mention that at 17, he was already in the youth system, but his first U-20