Israeli Hostages Wont be released until that operation is complete. Saturday marks Twenty Five years since the 1999 Mass Shooting at Columbine High School that killed 12 students and one teacher and wounded more than 20 others. The massacre is widely regarded as the first major Mass Shooting at a us school in the modern era marking a Turning Point for the country. On the eve of the anniversary, Community Members gathered in denver, colorado to remember the lives lost. Candles flickered on 13 empty chairs one for each of the victims as short biographies were read out. After each, the crowd replied together � never forgotten. � since columbine, Gun Violence in the united states has become increasingly severeboth in schools and in wider communities. According to data collected by the washington post, there have been more than 400 School Shootings since 1999 exposing more than 370,000 students to Gun Violence. So far this year alone, there have been 120 reported Mass Shootings that data