|
History Home Events Birthdays Deaths Years |
|
Add "Today in History" or "Today's Birthdays" to Your Site - it's Easy! |
|
|
|
History Home Events Birthdays Deaths Years |
|
Add "Today in History" or "Today's Birthdays" to Your Site - it's Easy! |
|
April 11, 1875 in History
|
|
|
Heinrich Schwabe, discoverer (11-year sunspot cycle), dies
|
Related Topics:
cycle discoverer Heinrich sunspot Related Year: 1875 |
|
|
|
| History Home Copyright 2009 BrainyMedia.com | |