On This Day in History - April 27
| 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 27
1981 April 27
The computer mouse was first introduced by the Xerox PARC company, a research division of the Xerox Corporation.
2006 April 27
The United Nations Commission on Human Rights holds its final meeting.