skipped any mention of cave drawings/art, and went only to signs of a stable 
civilization, I found the following:

1.  The turkish village of Hacilar around 6000 b.c.

2.  Wheat harvesting from 10,000 b.c. also in turkey

3.  At least two full fledged cities in 3500 B.C.  both in mesopotamia

4.  Full fledged empires in china by 2200 B. C.

5.  Organized chinese rice cultivation by 4700 b.c.

6.  Communal baths built in Egypt around 5000 b.c.

7.  Small bridges in 10,000 B.C.  and larger ones built by summerians and
     egyptians by 3200 B. C.

8. Dog domestication by 20,000 B. C.

9.  The earliet known grave is in China at 400,000 B.C.

10.  Paints by 25,000 B.C.

My source was the Readers Digest Publication: "Everyday life Through the Ages"
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