| 1 |  archives.gov | Science and Education > History | = | 00:03:12 | 5.35 | 51.52% |
| 2 |  worldhistory.org | Science and Education > History | 1 | 00:02:43 | 1.36 | 43.33% |
| 3 |  westpoint.edu | Science and Education > History | 1 | 00:01:39 | 2.86 | 55.72% |
| 4 |  cubicol.pe | Science and Education > History | 1 | 00:06:03 | 7.40 | 28.56% |
| 5 |  cervantesvirtual.com | Science and Education > History | 1 | 00:01:24 | 2.15 | 62.07% |
| 6 |  historyquiz.com | Science and Education > History | 2 | 00:04:02 | 1.89 | 50% |
| 7 |  oerproject.com | Science and Education > History | 13 | 00:01:11 | 2.29 | 58.75% |
| 8 |  historyextra.com | Science and Education > History | 1 | 00:00:54 | 1.65 | 60.69% |
| 9 |  historyhit.com | Science and Education > History | = | 00:00:43 | 1.68 | 59.01% |
| 10 |  nationalww2museum.org | Science and Education > History | 2 | 00:00:51 | 1.68 | 56.44% |
| 11 |  annefrank.org | Science and Education > History | 1 | 00:01:36 | 2.90 | 45.5% |
| 12 |  smarthistory.org | Science and Education > History | 1 | 00:02:41 | 3.90 | 28.17% |
| 13 |  deutsche-digitale-bibliothek.de | Science and Education > History | 1 | 00:02:22 | 3.58 | 52.87% |
| 14 |  gilderlehrman.org | Science and Education > History | 2 | 00:01:10 | 2.36 | 47.14% |
| 15 |  diletant.media | Science and Education > History | 3 | 00:00:36 | 1.69 | 53.3% |
| 16 |  medievalists.net | Science and Education > History | 1 | 00:01:04 | 1.54 | 53.98% |
| 17 |  historianet.nl | Science and Education > History | 4 | 00:01:08 | 1.69 | 43.36% |
| 18 |  whitehousehistory.org | Science and Education > History | 3 | 00:01:18 | 2.38 | 46.67% |
| 19 |  mountvernon.org | Science and Education > History | 3 | 00:01:24 | 2.41 | 50.43% |
| 20 |  historic-uk.com | Science and Education > History | 1 | 00:00:59 | 1.70 | 56.63% |
| 21 |  battlefields.org | Science and Education > History | 7 | 00:01:41 | 1.86 | 54.42% |
| 22 |  dar.org | Science and Education > History | 1 | 00:09:55 | 15.26 | 25.25% |
| 23 |  sutori.com | Science and Education > History | 4 | 00:01:30 | 2.53 | 43.59% |
| 24 |  tshaonline.org | Science and Education > History | 1 | 00:00:59 | 1.76 | 56.83% |
| 25 |  english4kidsonline.com | Science and Education > History | 75 | 00:01:05 | 1.74 | 62.87% |
| 26 |  historynet.com | Science and Education > History | 2 | 00:00:50 | 1.67 | 55.99% |
| 27 |  millercenter.org | Science and Education > History | 4 | 00:00:52 | 1.80 | 49.4% |
| 28 |  factsanddetails.com | Science and Education > History | 1 | 00:00:42 | 1.65 | 53.45% |
| 29 |  americanyawp.com | Science and Education > History | 5 | 00:02:53 | 2.77 | 44.49% |
| 30 |  history.ru | Science and Education > History | 18 | 00:01:08 | 3.64 | 48.84% |
| 31 |  ducksters.com | Science and Education > History | 24 | 00:02:08 | 2.60 | 49.08% |
| 32 |  digitale-sammlungen.de | Science and Education > History | 6 | 00:05:10 | 14.02 | 29.6% |
| 33 |  biografiasyvidas.com | Science and Education > History | 1 | 00:01:17 | 1.69 | 64.24% |
| 34 |  nzhistory.govt.nz | Science and Education > History | 11 | 00:01:30 | 2.26 | 49.23% |
| 35 |  ellibrototal.com | Science and Education > History | 2 | 00:01:10 | 2.05 | 59.34% |
| 36 |  iranicaonline.org | Science and Education > History | 8 | 00:01:19 | 2.06 | 44.9% |
| 37 |  thelatinlibrary.com | Science and Education > History | 7 | 00:02:17 | 3.32 | 43.3% |
| 38 |  icrmedu.com | Science and Education > History | 21 | 00:05:17 | 4.68 | 31.24% |
| 39 |  z-lib.pub | Science and Education > History | 8 | 00:00:38 | 2.30 | 39.34% |
| 40 |  womenshistory.org | Science and Education > History | 1 | 00:00:55 | 1.58 | 53.69% |
| 41 |  bushoojapan.com | Science and Education > History | 10 | 00:02:46 | 2.35 | 59.78% |
| 42 |  neh.gov | Science and Education > History | 9 | 00:00:50 | 1.69 | 51.84% |
| 43 |  rah.es | Science and Education > History | 4 | 00:00:54 | 1.79 | 51.87% |
| 44 |  konflikty.pl | Science and Education > History | 9 | 00:00:57 | 2.14 | 39.14% |
| 45 |  napoleon.org | Science and Education > History | 1 | 00:00:44 | 1.78 | 49.3% |
| 46 |  freeupsc.org | Science and Education > History | 6 | 00:02:29 | 3.47 | 50.04% |
| 47 |  historia.fr | Science and Education > History | 11 | 00:00:34 | 1.52 | 71.97% |
| 48 |  facinghistory.org | Science and Education > History | 6 | 00:01:07 | 2.34 | 48.17% |
| 49 |  studentsofhistory.com | Science and Education > History | 18 | 00:01:52 | 2.13 | 52.71% |
| 50 |  victorianweb.org | Science and Education > History | 2 | 00:01:04 | 1.94 | 51.82% |
