Why did the Columbine high school become famous?

Columbine High School became tragically famous due to the mass shooting that occurred there on April 20, 1999. Two senior students, Eric Harris and Dylan Klebold, killed 12 students and one teacher, and injured more than 20 others before taking their own lives. The event profoundly impacted the United States and the world, raising awareness about school violence, gun control, and the psychology of perpetrators of mass shootings. It became a focal point for discussions and debates on these issues, leaving a lasting and devastating mark on American society.