Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Belgian railway line 124 is a railway line in Belgium connecting the cities of Brussels and Charleroi. A first section between Luttre and Charleroi was built in 1843 and the complete line, which runs 55,9 km, was opened on June 1, 1874. Brussels, officially the Brussels Region or Brussels-Capital Region, is the capital of Belgium and hosts the headquarters of the European Union. It is also the largest urban area in Belgium, comprising 19 municipalities, including the municipality of the City of Brussels, which is the de jure capital of Belgium.