History
										
											
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				1999
				
					
						03.
						
							- Dong-A landfill (Cheongna) purchased by the government
- Construction of the entrance road to Songdo Knowledge Information Industry Park commenced
 
				 
			 
			
				1996
				
					
						05.
						
							- New airport passenger terminal groundbreaking ceremony
 
				 
			 
			
				1994
				
					
						09.
						
							- Songdo Information-oriented New Town Development (Reclamation) commenced
 
				 
			 
			
				1992
				
					
						
						
							- Established a master plan for the creation of the Songdo Information-oriented City
- Construction of new airport site commenced
 
				 
			 
			
				1991
				
					
						01.
						
							- Construction of the Dong-A Landfill (Cheongna) completed
 
				 
			 
			
				1990
				
					
						11.
						
							- Approval for the Songdo IT New City public water reclamation (Ministry of Oceans and Fisheries) received
- Location for the construction of the new airport construction (Yeongjong) selected
 
				 
			 
			
				1989
				
					
						06.
						
							- Master plan for the reclamation of public water resources (5.35 million pyeong) in Dongchun-dong, Yeonsu-gu established
 
				 
			 
			
				1986
				
					
						
						
							- Songdo IT New City Development Plan established
 
				 
			 
			
				1984
				
					
						
						
							- Reflected the Songdo New City in the Master Plan for the Metropolitan Area Development
 
				 
			 
			
				1980
				
					
						
						
							- Approval for the Dong-A Landfill (Cheongna) Reclamation received
 
				 
			 
			
				1979
				
					
						
						
							- Master plan for the reclamation of public water resources in the Songdo area established