Sofia, Bulgaria was founded over 7,000 years ago by Thracian tribes and later occupied by the Romans. Today, Sofia is a modern city but has a rich history visible everywhere, including archaeological sites frequently uncovered during construction. The city's subway system took 30 years to build the first line as workers continuously discovered new historical findings from the Roman era, including thermal water. Key facts about Sofia are that it has one of the world's largest cathedrals honoring Russian soldiers who liberated Bulgaria, the country allied with Nazi Germany in WWII, uses the Cyrillic alphabet, and popular soups are a staple food.

1. Sofia ,Bulgaria

2. Bulgaria is a land filled with history and is the third archaeological rich country
following Greece and Italy. The capital city, Sofia was founded 7000B.C by the
Thracian tribes and it was occupied by the Romans.
Today, Sofia is a modern city but the history of this place can be seen
everywhere.

4. On the surface, Sofia has many transport but underneath, the city only has two
Subway lines. The first subway station took 30 years to build with the beginning of
construction starting in 1960 and finishing in 1990. This is because, every meter
they dug, they found more and more archaeological sites from the era of the
Romans. They even found thermal water.

5. Facts about Sofia
-It has got one of the biggest catedrals in the world.It was built in honour the
Russian soldiers who died to liberate Bulgaria from the Romans.
-They were allies with Nazi Germany in WWII.
-They use the Cyrillic alphabets.
-The most common food is soup