| 1966-1972 | Early History | ||||
| 1970 | Blackmoor | ||||
| 1973 | Dungeons & Dragons | ||||
| 1977 | Advanced Dungeons & Dragons | ||||
| 1978 | D&D Sets | ||||
| 1980 | Greyhawk campaign setting launched | ||||
| 1984 |
Dragonlance campaign setting launched Pelinor campaign setting launched |
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| 1985 |
Lankhmar campaign setting launched Oriental Adventures rulebook |
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| 1989 | AD&D, 2nd edition was born in February 1989 | ||||
| 1990 | Spelljammer campaign setting launched | ||||
| 1991 | Dark Sun campaign setting launched | ||||
| 1992 | Al-Qadim campaign setting launched | ||||
| 1993 | Ravenloft campaign setting launched | ||||
| 1993 | Kalamar campaign setting launched by Kenzer and Company | ||||
| 1995 |
Birthright campaign setting launched Mystara campaign setting launched Planescape campaign setting launched Dungeons & Dragons 2nd edition revised Option books |
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| 1998 | Jakandor campaign setting launched | ||||
| 1999 | Council of Wyrms Campaign Option | ||||
| 2000 |
d20
System and System Reference Document begins Dungeons & Dragons 3ed edition |
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| 2001 | Forgotten Realms Campaign Setting | Accessory | Forgotten Realms | Ed Greenwood, Sean K Reynolds, Skip Williams, and Rob Heinsoo | 06/2001 |
| 2003 | Dungeon & Dragons 3.5 | Core Game Product | Dungeons & Dragons | Monte Cook, Jonathan Tweet, and Skip Williams | 07/2003 |
| 2004 | Eberron Campaign Setting | Accessory | Eberron | Keith Baker, Bill Slavicsek, James Wyatt | 06/2004 |
| 2008 | Dungeons & Dragons 4.0 | Core Game Product | Dungeons & Dragons | ||
| 2012 | D&D Next | Play testing | |||
| 2014 | Dungeons & Dragons 5.0 | Core Game product | Dungeons & Dragons | ||