The city of Brussels is located in the heart of Belgium. It is the capital of the country and home to the European Union. The city has a rich history that dates back to the 9th century. It was founded by a Frankish nobleman named Charles the Bald. Brussels quickly grew in size and importance and became a major center of trade and commerce. The city played a key role in the Belgian Revolution of 1830 and eventually became the capital of the new Belgian nation. Brussels continued to grow in size and importance and became a major center of culture and politics. The city was severely damaged during World War II, but was rebuilt and has since become a major center of commerce and culture.

The city of Bacau is located in the northeast of Romania, in the historical region of Moldavia. The first mention of the city dates back to the year 1408, when it was mentioned as a village called "Vaslui de Sus". The city was later developed by the Moldavian prince Stephen the Great, who built a fortress there in 1466. The city became an important commercial and cultural center in Moldavia. In the late 19th century, Bacau was annexed by Romania and became the capital of the Bacau County. The city suffered heavy damage during World War II, but was rebuilt afterwards. Bacau is now a major industrial center and transportation hub in Romania.