Minecraft wiki entry for Alpha_1.0_releases, associated text: 1 Mobs
1.1 New
1.2 Changed
2 Blocks
2.1 New
2.2 Changed
3 Items
3.1 New
3.2 Changed
4 Non-Mob Entities
4.1 New
5 Structures
5.1 Changed
6 Gameplay
6.1 New