Construction of an airport in the Wahner Heide by the British occupation.
The "Köln Bonner Flughafen GmbH zu Porz" is born.
Commissioning of the crosswind runway, the longest runway in Germany at the time.
The NRW Ministry of Economics and Transport takes over the airport from the Royal Air Force. The number of airlines, passengers and freight tonnes increases rapidly.
Commissioning of the large railway, opening of the first duty-free shop.
John F. Kennedy lands in Cologne/Bonn.
500,000 passengers in one year for the first time.
Opening of Terminal 1.
Aircraft noise measurement system with 12 stationary and 1 mobile measuring point goes into operation.
Welcoming the 20 millionth passenger since the airport was founded.
The airport is the workplace for 2,487 employees in 90 companies.
More than 2 million passengers in one year for the first time.
Landing of the space shuttle "Enterprise".
First landing of a Concorde in Cologne/Bonn.
UPS establishes European hub in CGN.
Over 3 million passengers in one year for the first time.
The airport is the workplace for 6,400 employees in 127 companies.
Airport is given the additional name "Konrad Adenauer".
Commissioning of the new tower.
Over 6 million passengers for the first time.
Opening of Terminal 2.
Welcoming the one hundred millionth passenger since the airport was founded.
Airport is the workplace for 9,568 people in 164 companies.
Beginning of the low-cost era with Germanwings and Hapag-Lloyd Express.
Opening of the airport railway station and the Starwalk in Terminal 1.
FedEx launches flights from Cologne/Bonn.
Pope Benedict XVI lands at CGN for World Youth Day.
UPS opens extension to its European air freight hub.
More than 10 million passengers in one year for the first time.
Airport is the workplace for 12,460 employees in 135 companies.
Extension of the post-flight regulation until 2030.
MyClimate enables passengers to make climate donations.
Opening of the Cologne Bonn Cargo Centre (CBCC) and the first Rewe supermarket at an airport.
Construction of the first two photovoltaic systems on building roofs.
Inauguration of the new FedEx transhipment centre for Central and Eastern Europe.
1st place in the Skytrax Award for "Best Regional Airport Europe" for the first time.
Start des Projektes „Spende Dein Pfand“ in den Terminals.
Fernbusbahnhof geht in Betrieb.
Opening of Cologne's first hydrogen refuelling station.
More than 12 million passengers.
General refurbishment of the large runway.
Johan Vanneste becomes the new CEO (until December 2021).
Airport is the workplace for 14,804 people in 130 companies.
The coronavirus pandemic hits the airport in March.
Passenger numbers collapse, freight remains a global hub.
The new Moxy Hotel celebrates its topping-out ceremony.
NASA's flying observatory Sofia is stationed at the airport for 6 weeks.
Opening of the Moxy airport hotel.
Thilo Schmid becomes the new Chairman of the Management Board of Flughafen Köln/Bonn GmbH on 1 March. The airport increasingly recovers from the effects of the coronavirus pandemic over the course of the year.
The Airport Operations Control Centre (AOCC) will be launched in spring. All processes relating to passengers, baggage, freight and aircraft are controlled 24/7 in the control centre. The airport is investing more than 10 million in optimising its processes.