History of Finland between 4000 BC - 1501 BC
Around 5300 BCE, - probably - pottery was present in Finland. The earliest samples belong to the Comb Ceramic Cultures, known for their distinctive decorating patterns. This marks the beginning of the neolithic period for Finland, although the subsistence was still based on hunting and fishing. Extensive networks of exchange existed across Finland and Northeastern Europe during the 5th millennium BCE. For example, flint from Scandinavia and Valdai Hills, amber from Scandinavia and the Baltic region and slate from Scandinavia and Lake Onega found their ways into the Finnish archeological sites undes excavatons today and asbestos and soap stone from e.g. the area of Saimaa spread outside of Finland. Rock paintings - apparently related to shamanistic and totemistic belief systems - have been found, especially in Eastern Finland, e.g. Astuvansalmi.
From 3200 BCE onwards, either immigrants or a strong cultural influence from south of the Gulf of Finland settled in Southwestern Finland. This culture was a part of the European Battle Axe cultures, which have often been associated with the movement of the Indo-European speakers. The Battle-Axe - or Cord Ceramic - culture seems to have practiced agriculture and animal husbandry outside of Finland, but the earliest confirmed traces of agriculture in Finland date later, approximately to the 2nd millennium BCE. Further inland, the societies retained their hunting-gathering lifestyles for the time being. The Battle axe and the Comb Ceramic cultures merged, giving rise to the Kiukainen culture which existed between 2300 BCE and 1500 BCE, featuring fundamentally a comb ceramic tradition with cord ceramic characteristics.
Reference: Wikipedia
Previous historical period: Palaeolithic and Mesolithic Age (-150000--4001) | Next historical period: Bronze Age (-1500--501)The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.