in chrono order, I think this is all of 'em:
Explorer From China Who 'Beat Columbus To America'
The Telegraph (UK) | 3-4-2002 | Elizabeth Grice
Posted on 03/04/2002 6:24:49 PM EST by blam
http://www.freerepublic.com/focus/news/639813/posts
Chinese Explorers 'Discovered America' [ ! ]
Straights Times Europe Bureau | Alfred Lee
Posted on 03/07/2002 10:00:38 PM EST by ex-Texan
http://www.freerepublic.com/focus/f-news/642344/posts
Ancient Map Of Africa Poses Questions
cooltech.iafrica | 11-12-2002
Posted on 11/12/2002 11:21:38 AM EST by blam
http://www.freerepublic.com/focus/fr/787468/posts
Did the Chinese discover America?
CNN | January 13, 2003 | Adam Dunn
Posted on 01/13/2003 5:50:54 PM EST by NP-INCOMPLETE
Edited on 04/29/2004 5:01:55 AM EDT by Jim Robinson. [history]
http://www.freerepublic.com/focus/news/822040/posts
The Pinta, Santa Maria And A Chinese Junk? (More)
Christian Science Moniter | 1-29-2003 | Amanda Paulson
Posted on 02/03/2003 6:18:04 PM EST by blam
http://www.freerepublic.com/focus/news/835226/posts
Is Gavin Menzies Right or Wrong? (Did the Chinese discover the western hemisphere?)
History News Network | March 10, 2003 | Timothy Furnish
Posted on 03/12/2003 11:30:30 AM EST by robowombat
http://www.freerepublic.com/focus/news/862986/posts
PBS Previews: 1421: the year China discovered America?
PBS
Posted on 07/21/2004 1:00:24 PM EDT by SteveH
http://www.freerepublic.com/focus/news/1175670/posts
Who came first, Chinese or Columbus?
Herald Today | May 14, 2005 | Dana Sanchez
Posted on 05/16/2005 6:26:15 AM EDT by SteveH
http://www.freerepublic.com/focus/f-news/1403962/posts
Were Chinese here first? (china; menzies; 1421)
NewsAdvance.com | May 15, 2005 | Shannon Brennan
Posted on 05/16/2005 6:35:42 AM EDT by SteveH
http://www.freerepublic.com/focus/f-news/1403964/posts
China map lays claim to Americas
BBC News | January 13, 2006
Posted on 01/13/2006 1:31:34 PM EST by West Coast Conservative
http://www.freerepublic.com/focus/f-news/1557574/posts
okay, two more:
China map lays claim to Americas ( China Won't Stop at Taiwan?)
BBC NEWS | Friday, 13 January 2006, 13:23 GMT | BBC NEWS (general staff)
Posted on 01/14/2006 10:34:00 AM EST by Candor7
http://www.freerepublic.com/focus/f-news/1558046/posts
sort of related:
600-Year-Old Ancient Warship Found In Shandong
Xinhuanet/China View | 8-12-2005
Posted on 08/13/2005 2:33:57 PM EDT by blam
http://www.freerepublic.com/focus/f-news/1462782/posts