Texas 1970s1980s1990s2000s2010s2020s2030s2040s2050s2060s2070s Subcategories This category has the following 9 subcategories, out of 9 total. Attacks in North America in 2020 (4 C) Attacks in North America in 2021 (4 C) Attacks in North America in 2022 (4 C, 1 P) Attacks in North America in 2023 (3 C, 2 P) Attacks in North America in 2024 (1 C, 1 P)+ 2020s mass shootings in North America (6 C)C Attacks in Canada in the 2020s (3 C)M Attacks in Mexico in the 2020s (4 C)U Attacks in the United States in the 2020s (5 C)