Great wall of china dating
While Communist leaders claimed the barriers were designed to keep out fascists and other enemies of the state, their real function was to prevent East Germans from defecting to the West.More than 100 people were eventually killed while trying to escape through the maze of 12-foot walls, guard towers and electrified fences.When completed, these “Long Walls” created a siege-proof triangle of land that allowed the city to easily resupply itself from the sea, which was itself guarded by the mighty Athenian navy.The fortifications made Athens all but impregnable during the Peloponnesian War with Sparta and its allies, but the city was later forced to surrender after its navy was defeated at sea.This “Amorite Wall” is believed to have stretched for over a hundred miles between the Tigris and Euphrates Rivers in what is now Iraq.It was likely the first extensive rampart not built around a city, but it only succeeded in fending off the Sumerians’ enemies for a few years.
The walls succeeded in turning back a host of would-be conquerors from the Arabs to Attila the Hun, but they finally met their match in 1453, when the Ottoman Empire besieged the city with a frightening new weapon—the cannon.
More than 14 miles of barricades surrounded the city, but the most famous were the Theodosian Walls, which blocked armies from advancing from the mainland.
They included a moat, a 27-foot outer wall and a massive inner wall that was 40 feet tall and 15 feet thick.
It’s been said that good fences make good neighbors, and it seems that many of history’s most famous civilizations would agree.
Dating back to the ancient world, governments and militaries have constructed sprawling defensive walls to keep hostile enemies at bay, define their national borders and even prevent their own citizens from fleeing—often with decidedly mixed results.
The announcement sparked a wave of celebrations, and elated Berliners soon went to work demolishing the wall with jackhammers and chisels.