What was the largest concert Linkin Park?

The largest Linkin Park concert was held on July 10th, 2003, at the Rock in Rio Festival in Rio de Janeiro, Brazil. The show drew a crowd of approximately 100,000 people and featured performances of some of the band's most iconic songs, such as "Numb," "In the End," and "Crawling." The concert also marked the beginning of the band's Meteora World Tour, which took them across North America, South America, Europe, and Asia.