2019-2020 History Bowl State & Regional Results
| Site | Varsity Champion | JV Champion | Middle School Champion | Tournament Date | Question Set |
| Alabama | Baker | Vestavia B | Mar. 7, 2020 | B | |
| Connecticut | Coldhug A | Wilton Lukas | Mar. 7, 2020 | B | |
| Pennsylvania State Championships | Manheim Township | Mar. 7, 2020 | B | ||
| Tennessee State Championships | Uni School Nashville A | Uni School Nashville C | Mar. 7, 2020 | A | |
| Virginia State Championships | BASIS McLean | Fort Defiance C | Mar. 7, 2020 | A | |
| Capital Region Championships | Montgomery Blair B | Thomas Jefferson B | Burleigh Manor C | Mar. 1, 2020 | A |
| Southern California | Arcadia A | St. Margaret’s | Mar. 1, 2020 | C | |
| Arkansas | Russellville A | Russellville B | Feb. 29, 2020 | C | |
| Iowa State Championships | Brandon Valley | Feb. 29, 2020 | A | ||
| Louisiana State Championships | Baton Rouge Magnet | Feb. 29, 2020 | A | ||
| New Hampshire | Newton North A | Plymouth Regional B | Feb. 29, 2020 | C | |
| West Virginia State Championships | George Washington A | Morgantown B | Feb. 29, 2020 | A | |
| Arizona | Brophy | Feb. 23, 2020 | B | ||
| New York City | Scarsdale | Staples | Feb. 23, 2020 | B | |
| Knoxville Winter | Non-Affiliated | Feb. 22, 2020 | B | ||
| Northern Georgia | Oak Mountain Acad. | Fulton Sci. Academy B | Feb. 22, 2020 | B | |
| Western Ohio | Beavercreek A | Fort Wayne Homeschool | Feb. 22, 2020 | B | |
| Colorado | Fort Collins A | George Washington B | Feb. 15, 2020 | B | |
| Mississippi State Championships | West Lauderdale | East Rankin Academy C | Feb. 15, 2020 | B | |
| Northern Florida Winter | Buchholz B | Buchholz C | Feb. 15, 2020 | B | |
| South Florida Championships | Ransom Everglades A | Ransom Everglades B | Feb. 15, 2020 | A | |
| Texas State Championships | Cistercian | Coppell | Fort Settlement | Feb. 15, 2020 | A |
| Vermont | South Burlington A | Feb. 15, 2020 | B | ||
| Northern California Winter | Team Expedition St. Joseph | Mira Loma | Feb. 9, 2020 | B | |
| Greater Chicago | Stevenson A | Stevenson C | St. Mary of the Woods | Feb. 8, 2020 | B |
| Missouri | Ladue A | Clayton | Feb. 8, 2020 | B | |
| West Virginia Winter | Morgantown | North Catholic | Feb. 8, 2020 | B | |
| Greater Milwaukee | Buffalo Grove | Feb. 1, 2020 | B | ||
| Greater Portland | Westview | Stoller C | Feb. 1, 2020 | B | |
| Maryland | Montgomery Blair A | Montgomery Blair C | Feb. 1, 2020 | B | |
| Massachusetts State Championships | Phillips Exeter A | Phillips Exeter B | Feb. 1, 2020 | B | |
| Northern Pennsylvania | Parkland | Feb. 1, 2020 | C | ||
| Oklahoma | Jesuit | Plainview B | Feb. 1, 2020 | B | |
| South Carolina State Championships | GSSM A | Southside B | Feb. 1, 2020 | A | |
| Upper Hudson | Bethlehem A | Bethlehem B | Feb. 1, 2020 | C | |
| Eastern Iowa | Pleasant Valley A | Davenport Central B | Jan. 28, 2020 | C | |
| Nevada | Clark A | Clark B | Jan. 26, 2020 | C | |
| Central Florida Winter | Trinity Prep A | Manatee A | Jan. 25, 2020 | B | |
| Mississippi Winter | Madison Central A | Rosa Scott | Jan. 25, 2020 | C | |
| South Florida Winter | Ransom A | Ransom B | Jan. 25, 2020 | B | |
| Western Pennsylvania | Northmont | North Allegheny Intermediate A | Jan. 25, 2020 | C | |
| Central Georgia Winter | Thomas Jefferson Classical | Wando | Jan. 20, 2020 | B | |
| Southwestern Illinois | Lindsey Homeschool | Keith Country Day | Jan. 20, 2020 | C | |
| New Jersey State Championships | Hunter College A | Hunter College B | John Adams | Jan. 19, 2020 | B |
| Florida Panhandle | Collegiate High | Ransom C | Jan. 18, 2020 | C | |
| Spokane | Gonzaga Prep | East Valley C | Jan. 18, 2020 | B | |
| Chattanooga | Signal Mountain A | Signal Mountain B | Jan. 11, 2020 | B | |
| Delaware | Great Valley | Methacton C | Jan. 11, 2020 | C | |
| Idaho Falls | Thunder Ridge A | Jan. 11, 2020 | B | ||
| Lower Hudson | Darien | Wilton B | Jan. 11, 2020 | C | |
| Northern Virginia | Richard Montgomery A | Richard Montgomery B | Jan. 11, 2020 | B | |
| Bergen County | Coldhug A | Ridgewood C | Jan. 5, 2020 | C | |
| Hawaii State Championships | Iolani A | Iolani C | Jan. 4, 2020 | B | |
| Western New York | Ithaca A | Ithaca B | Jan. 4, 2020 | B | |
| Eastern Kentucky | Paul Blazer (JV) | Dec. 14, 2019 | C | ||
| Louisiana Fall | Zachary B | Dec. 14, 2019 | C | ||
| Northwest Illinois | Auburn A | Auburn B | Dec. 14, 2019 | C | |
| Southern New Jersey | High Tech A | Princeton C | Dec. 14, 2019 | C | |
| Washington, DC | Georgetown Day A | Montgomery Blair B | Burleigh Manor A | Dec. 7, 2019 | C |
| Boston Fall | Boston Latin | Phillips Exeter B | Nov. 23, 2019 | C | |
| Southern Washington | Jesuit A | Stoller H | Nov. 23, 2019 | C | |
| Western Washington | Central Kitsap | Tesla STEM | Nov. 23, 2019 | C | |
| Central Florida Fall | Trinity Prep A | Riverview H | Nov. 16, 2019 | C | |
| Eastern Georgia Fall | Cambridge | Chattahoochee B | Nov. 16, 2019 | C | |
| Greater Knoxville Fall | Maryville Jr. High | Nov. 16, 2019 | C | ||
| Oahu | Iolani A | Nov. 16, 2019 | C | ||
| South Florida Fall | Ransom Everglades A | Ransom Everglades C | Nov. 16, 2019 | C | |
| Buffalo | Nichols B | Nichols D | Nov. 9, 2019 | C | |
| Greater Dayton | Beavercreek A | Beavercreek C | Nov. 9, 2019 | C | |
| Northern Illinois | Stevenson A | Stevenson E | Nov. 9, 2019 | C | |
| Northern New Jersey | Millburn A | Hunter College B | Tenafly Middle A | Nov. 9, 2019 | C |
| West Virginia Fall | Charleston Catholic A | Morgantown | Nov. 9, 2019 | C | |
| Montana | Skyview A | Bozeman C | Nov. 5, 2019 | C | |
| Central Georgia Fall | Starr’s Mill A | Chamblee Charter | Nov. 2, 2019 | C | |
| Eastern Washington | Gonzaga Prep | Libby Middle School | Nov. 2, 2019 | C | |
| Northern California Fall | Team Pi-oneers | Mission San Jose | Challenger Almaden | Oct. 27, 2019 | C |