8 events with tag "fortification"
400 BC
ID: 5369
Celtic oppida urbanization begins - fortified towns with organized streets, markets, coin mints, populations reaching 10,000
ID: 5369
122
ID: 2528
Hadrian's Wall construction begins - 73-mile wall from Wallsend to Bowness, marks permanent northern frontier of Roman Britain
ID: 2528
142
ID: 2529
Antonine Wall built - turf wall across Scotland from Forth to Clyde, Romans attempt to hold Lowlands
ID: 2529
880
ID: 5829
Burghal Hidage established - Alfred assigns hides to maintain fortified burghs, 1 man per 4 feet of wall, revolutionary defense system
ID: 5829
968
ID: 3745
Harald Bluetooth strengthens Danevirke - massive earthwork fortification against German expansion
ID: 3745
1190
ID: 5202
Philip Augustus builds walls around Paris - massive fortifications including Louvre fortress, Paris becomes true capital
ID: 5202
1784
ID: 619
Monge develops descriptive geometry for military engineering and technical drawing
ID: 619
1822
ID: 746
Jean-Victor Poncelet develops projective geometry for fortification sight lines and artillery angles
ID: 746