| Board | Threads | Messages | Last Post |
| Donner Party [winter 1846-47] | 1 | 3 | 12 Sep 2008 |
| General Slocum Disaster [1904] | 18 | 45 | 11 Dec 2007 |
| Hurricane Katrina - August 2005 | 147 | 265 | 21 Apr 2006 |
| Johnstown, Pennsylvania Flood [1889] | 1 | 3 | 26 Apr 2008 |
| Railroad Accidents | 257 | 407 | 20 Sep 2008 |
| San Francisco Earthquake & Fire [1906] | 13 | 28 | 15 Jul 2007 |
| SS Princess Sophia Shipwreck [1918] | 18 | 50 | 13 Sep 2008 |