When was the telephone, atomic bomb, paper, flint tools, and the wheel invented? I've answered the other 4 and I think the telephone was invented in 1876. Please help.
http://library.thinkquest.org/C004203/science/science02.htm
http://www.google.com/search?hl=en&site=&source=hp&q=when+was+paper+invented&oq=when+was+paper+invented&aq=f&aqi=g8g-b2&aql=1&gs_nf=1&gs_l=hp.3..0l8j0i8l2.1766.5249.0.5409.23.23.0.2.2.1.176.1417.15j5.20.0.pfwc.1.Tr1KwmKfYNs
http://inventors.about.com/od/astartinventions/a/atomic_bomb.htm
http://www.google.com/search?hl=en&q=when+were+flint+tools+invented&oq=when+were+flint+tools+invented&aq=f&aqi=g-v1&aql=1&gs_nf=1&gs_l=serp.3..0i15.4715.7290.0.7503.15.15.0.0.0.0.237.1544.8j5j2.15.0.pfwc.1.nhCv--5k3gs