Timeline for Describe a topic in one sentence.
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 20, 2011 at 10:11 | comment | added | user2529 | explained, or approximated? | |
| Nov 3, 2009 at 0:49 | history | answered | lhf | CC BY-SA 2.5 |