Okay, so a long, long time ago, there was a place called Bessarabia. It was kind of like a big piece of land that people shared. People lived there and had their own houses and families.
But, over time, different people wanted this land for themselves. They fought over it and it changed hands many times.
For a while, Bessarabia was controlled by a group of people called the Ottoman Empire. Then, another group called the Russians took it over.
After that, Bessarabia was kind of shared between a few different groups for a while. Some people wanted it to belong to one country, and some people wanted it to belong to another country.
Eventually, Bessarabia became part of Romania for a while, but then it was taken over by another group of people called the Soviet Union.
Nowadays, Bessarabia is mostly part of a country called Moldova, but some parts of it belong to another country called Ukraine.
So, basically, Bessarabia is a place where different groups of people fought over who got to own it, and now it's part of a few different countries.