Texas 16th17th18th19th20th21st22nd23rd24th25th26th Subcategories This category has the following 3 subcategories, out of 3 total. 0–9 2000s mass shootings in the United States (10 C, 1 P) 2010s mass shootings in the United States (10 C) 2020s mass shootings in the United States (5 C)