On This Day in History - April 28
| Discover today's historical events and the facts. Listed here the time line of events that happened on this day in history
| Click on the date from the below calendar to know the historical events happened on that particular day.
|What Happened On This Day In History - April 28
1932 April 28
The vaccine for yellow fever was discovered.
2003 April 28
Apple Computer launched its iTunes online music store. It sold more than 1 million songs in its first week of operation.