| Year |
Event |
Reference |
| 1937 |
Hemorrhagic enteritis of turkeys is first reported |
Pomeroy BS, Fenstermacher R (1937) Poult Sci 16: 378-382 |
|

|
| 1963 |
IBH was first described in 1963 in the USA
|
Helmboldt CF and MN Frazier, 1963. Avian hepatic inclusion bodies of unknown significance. Avian Dis, 7: 446-450
|
| |

|
| 1975 |
Electron microscopy of hemorrhagic enteritis virus of turkeys suggests that it is an adenovirus |
Tolin SA, Domermuth CH (1975) Avian Dis 19:118–125 |
|

|
| 1976 |
EDS: firstly described in 1976 by Van Eck et al. in The Netherlands |
Van Eck JHH et al., 1976. Dropped egg production, soft shelled and shell-less eggs associated with appearance of precipitins to adenovirus in flocks of laying fowl. Avian Pathol, 5: 261-272. |
| |

|
| 1988 |
Hydropericardium Syndrome first
reported from
Angara Goth near Karachi in Pakistan
reported from Angara Goth near Karachi in Pakistan |
Jaffery MS, 1988. A treatise on Angara disease (hydropericardium pulmonary oedema- hepatonephritis syndrome). Pak Vet Med Assoc, pp: 1-33. |