Ancient Romania and Ancient Romania and relations with the worldrelations with the world

Black Sea floodBlack Sea flood

Spreading of peoplesSpreading of peoples

Ancient writings systems Ancient writings systems

and Astronomyand Astronomy

Black Sea floodBlack Sea flood

Inundated zones with Neolithic villages

Origin of peoples near the Origin of peoples near the lakelake

Spreading of peoplesSpreading of peoples

Europeans Europeans originorigin

• Danube valley Danube valley – Europeans – Europeans homelandhomeland

• Maps by Maps by soviet soviet historian historian DiakonovDiakonov

Spreading of Spreading of EuropeansEuropeans

• Starting from Starting from 4000 BC the 4000 BC the Europeans spread Europeans spread from Danube from Danube valley carrying valley carrying the specific the specific genetic mutation genetic mutation for decomposing for decomposing of lactoseof lactose

Linguistic groups,Linguistic groups,relations and originrelations and origin

Neolithic Neolithic cultures in cultures in Balkan Balkan regionregion• Attention in Attention in

south-west for south-west for early and first early and first writing system writing system and north-east and north-east for the most for the most prolific branchprolific branch

Cucuteni-Tripolye cultureCucuteni-Tripolye culture

From Danube valley to the From Danube valley to the worldworld

Early writingsEarly writings

First astronomical mapsFirst astronomical maps

First First planisphereplanisphere

• Origin : first Origin : first European European city when city when Vega was Vega was northern star northern star

• – – please please calculate calculate when this when this happenedhappened

ProblemProblem

• Calculate the ratio between salt and Calculate the ratio between salt and

sweet water in Black Sea knowing that sweet water in Black Sea knowing that

the density of water in oceans is 1035 the density of water in oceans is 1035

kg/mkg/m33 and the density of the water in and the density of the water in

Black Sea is 1018 kg/mBlack Sea is 1018 kg/m33 and the density and the density

of sweet water is 1000 kg/mof sweet water is 1000 kg/m33..