The Sampit conflict was an outbreak of inter-ethnic violence in Indonesia, beginning in February 2001 and lasting through the year. The most intense phase of the violence lasted days, but its effects echoed throughout the year and across the province. It took place primarily in the city of Sampit, Central Kalimantan, eventually spreading to the provincial capital, Palangka Raya, and other areas.
Alternatively, "Perang Sampit" could be a performance art or a cultural reenactment. Maybe it's part of Indonesian traditional ceremonies. But the user says "2021" which might tie it to a specific year's event. Let me verify if there were any events in 2021. Hmm, not sure. Since I can't browse the internet, I need to rely on existing knowledge. Video No Sensor Perang Sampit 2021