Federal Office for the Protection of the Constitution

The Cologne school massacre was a mass murder that occurred at the Catholic elementary school (German: katholische Volksschule) located in the suburb of Volkhoven in Cologne, West Germany on 11 June 1964. The perpetrator, Walter Seifert, also known as "Der Feuerteufel von Volkhoven" ("Firedevil of Volkhoven"), attacked the people at the school with a home-made flamethrower and a spear, killing eight pupils and two teachers, and wounding twenty-two others. When police arrived at the scene, he fled from the school compound and poisoned himself. He was taken to a hospital, where he died the same evening.

Köln Volkhovener Weg is a railway station situated at Chorweiler, Cologne in western Germany. It is served by the S11 line of the Rhine-Ruhr S-Bahn.

Köln-Chorweiler is a combined light rail and railway station situated at Chorweiler, Cologne in western Germany. It is served by the S11 line of the Rhine-Ruhr S-Bahn and line 15 of Cologne Stadtbahn. It is classified by Deutsche Bahn as a category 4 station.

Köln-Chorweiler Nord is a railway station situated at Chorweiler, Cologne in western Germany. It is served by the S11 line of the Rhine-Ruhr S-Bahn at 20-minute intervals from Monday to Friday and at 30-minute intervals on the weekend.

Köln-Blumenberg is a railway station on the Lower Left Rhine Railway, situated in Cologne in western Germany. It is served by the S11 line of the Rhine-Ruhr S-Bahn at 20-minute intervals from Monday to Friday and at 30-minute intervals on the weekend.

Fühlingen is a village in the northern part of the city of Cologne. It is part of the borough of Chorweiler. Fühlingen is well known for its artificial lake, Fühlinger See.

The Battle of Worringen was fought on 5 June 1288 near the town of Worringen (also spelled Woeringen), which is now the northernmost borough of Cologne. It was the decisive battle of the War of the Limburg Succession, fought for the possession of the Duchy of Limburg between on one side the Archbishop Siegfried II of Cologne and Count Henry VI of Luxembourg, and on the other side, Duke John I of Brabant. It was one of the largest battles in Europe in the Middle Ages.

Köln-Longerich is a railway station situated at Longerich, Cologne in western Germany. It is served by the S11 line of the Rhine-Ruhr S-Bahn.

Chorweiler (German: Köln-Chorweiler, German pronunciation: [kɔʁvaɪlɐ]) is the sixth borough (Stadtbezirk) of Cologne, Germany. Large portion of the borough of Chorweiler were incorporated into the city of Cologne in 1922, the borough of Chorweiler was created in the 1970s. The borough has the lowest population density in Cologne and many areas are very rural. The borough of Chorweiler borders with the Cologne boroughs of Nippes and Ehrenfeld to the South, Rhein-Erft-Kreis to the West, Rhein-Kreis Neuss to the North, and the Rhine to the East. On the other riverbank lie the city of Leverkusen and Monheim am Rhein.

Fühlinger See is a series of connected lakes in the Cologne suburb of Fühlingen in the German state of North Rhine-Westphalia. The artificial lake covers an area of 100 hectares (250 acres) and is a major attraction. There are equestrian routes around the lake, and the horse riding club Reiterverein Oranjehof is located nearby. Fühlinger See has an international rowing course, and was the venue for the 1998 World Rowing Championships. Men competed in 14 categories for world titles, whilst there were 10 events for women. Germany came out on top of the medal table.The lake was created from 1912 when aggregate was excavated; according to the German Wikipedia entry, this was for what are now Bundesautobahn 4 (Aachen–Cologne) and Bundesautobahn 3 (Krefeld–Cologne), but according to a newspaper article from 1935, the fill was used for work on the railway line from Aachen to Cologne (which was indeed widened to four tracks from 1912 onwards). With the river Rhine nearby, the excavated hole quickly filled with water. From the 1930s onwards, people came to the lake to swim while excavations were still going on. In 1967, the lakes were officially turned into a recreation area. A total of seven lakes are interconnected, all grouped around a central rowing facility. The various lakes have different purposes: one is for swimming and diving, one for fishing, one for windsurfing, and three for swimming and boating, and one for rowing.

Sparkasse Am Butzweilerhof is a terminus station on the Cologne Stadtbahn line 5, located in the Cologne district of Ossendorf. The station lies on Von-Hünefeld-Straße, the center of a large media and business park of Coloneum, RTL Television and NetCologne. Station and the entire neighborhood is named after the former Cologne Butzweilerhof Airport. It was opened on 12. December 2010 and consists of one island platform with two rail tracks.

The Butzweilerhof is the former civil airport of Cologne. It was established as a training airfield in 1912 and saw airline service from 1922 until the 1950s. It was replaced by the Cologne Bonn Airport. The airport buildings from 1935-36 are listed monuments and a rare example of airport architecture from the Interwar Period. From 1951 to 1967 it was operated by the Royal Air Force as RAF Butzweilerhof.