cover ed ▁culture ▁( the ▁oldest ▁religious ▁structure ▁in ▁the ▁world ). ▁ ▁Sub mer ged ▁by ▁around ▁ 7 4 0 0 ▁BC : ▁a ▁ 1 2 m ▁long ▁mon ol ith ▁probably ▁we igh ing ▁around ▁ 1 5 , 0 0 0   kg ▁found ▁ 4 0 m ▁under ▁water ▁in ▁the ▁Stra it ▁of ▁Sic ily ▁south - west ▁of ▁Sic ily ▁whose ▁function ▁is ▁unknown . ▁ ▁Ne ol ith ic ▁ ▁c . ▁ 7 0 0 0 ▁BC : ▁Const ruction ▁in ▁proto - C ana an ite ▁Israel ▁( At lit ▁Yam ). ▁Poss ibly ▁first ▁standing ▁stones ▁in ▁Portugal . ▁ ▁c . ▁ 6 0 0 0 ▁BC : ▁Const ru ctions ▁in ▁Portugal ▁( Al m end res ▁C rom le ch , ▁É v ora ) ▁ ▁c . ▁ 5 0 0 0 ▁BC : ▁Emer gence ▁of ▁the ▁Atlantic ▁Ne ol ith ic ▁period , ▁the ▁age ▁of ▁agricult ure ▁along ▁the ▁western ▁sh ores ▁of ▁Europe ▁during ▁the ▁sixth ▁mill en ni um ▁BC ▁pot tery ▁culture ▁of ▁La ▁Al mag ra , ▁Spain ▁nearby , ▁perhaps ▁preced ent ▁from ▁Africa . ▁ ▁c . ▁ 4 8 0 0 ▁BC : ▁Const ru ctions ▁in ▁Brit t any , ▁France ▁( B arn enez ) ▁and ▁Po it ou ▁( B oug on ). ▁ ▁c . ▁ 4 5 0 0 ▁BC : ▁Const ru ctions ▁in ▁south ▁Egypt ▁( N ab ta ▁Play