漢朝:西漢(公元前202年~公元8年)+新朝(9年1月15日~23年10月6日)+東漢(公元25~220年)
漢(han)(han)(han)(han)朝(chao)(chao)是繼秦朝(chao)(chao)之后(hou)的大(da)一(yi)統王(wang)朝(chao)(chao),分為(wei)(wei)西(xi)漢(han)(han)(han)(han)、東(dong)漢(han)(han)(han)(han)時期,共歷29帝(di)(di),享國(guo)四(si)百零七年(nian)(nian)(nian),秦末天下大(da)亂,劉(liu)邦在推(tui)翻秦朝(chao)(chao)后(hou)被封為(wei)(wei)漢(han)(han)(han)(han)王(wang),楚漢(han)(han)(han)(han)之爭(zheng)獲勝后(hou)劉(liu)邦稱帝(di)(di)建(jian)立漢(han)(han)(han)(han)朝(chao)(chao),定都(dou)長(chang)安,史稱西(xi)漢(han)(han)(han)(han);公(gong)元(yuan)8年(nian)(nian)(nian)王(wang)莽廢西(xi)漢(han)(han)(han)(han)末帝(di)(di),定都(dou)長(chang)安,史稱新朝(chao)(chao),西(xi)漢(han)(han)(han)(han)滅(mie)亡;公(gong)元(yuan)25年(nian)(nian)(nian)漢(han)(han)(han)(han)朝(chao)(chao)宗(zong)室后(hou)裔劉(liu)秀統一(yi)天下匡復漢(han)(han)(han)(han)室,后(hou)仍沿(yan)用漢(han)(han)(han)(han)作為(wei)(wei)國(guo)號,定都(dou)洛陽,史稱東(dong)漢(han)(han)(han)(han),公(gong)元(yuan)184年(nian)(nian)(nian)爆發黃巾起義,雖剿滅(mie)民亂卻導致地方擁兵自重,公(gong)元(yuan)191年(nian)(nian)(nian)董卓遷都(dou)長(chang)安,公(gong)元(yuan)220年(nian)(nian)(nian)曹丕篡(cuan)漢(han)(han)(han)(han),東(dong)漢(han)(han)(han)(han)滅(mie)亡,中國(guo)進入(ru)三國(guo)時期。漢(han)(han)(han)(han)朝(chao)(chao)和(he)約略同(tong)時期歐洲(zhou)的羅馬帝(di)(di)國(guo)并列(lie)為(wei)(wei)當時世界上最(zui)先進的文明(ming)及強大(da)帝(di)(di)國(guo),國(guo)土面積約達609萬平方公(gong)里,自漢(han)(han)(han)(han)朝(chao)(chao)以后(hou)逐漸被稱為(wei)(wei)漢(han)(han)(han)(han)族(zu),兩漢(han)(han)(han)(han)在科技(ji)領域亦頗有成(cheng)就。