We talk about Poland now. Eastern Romans had a plenty of contact with the Slavs (for example some Ukrainian cities began as Greek colonies), but never reached Poland (literal backwoods, just like the Baltic areas). Obviously we also never used Cyrillic.

The first person to actually write about Poland (even generally speaking as in a territory) was a Jewish slave trader probably doubling as a spy for the Islamic Iberians, in the late 10th century (Ibrahim ibn Yakub).

We talk about Poland now. Eastern Romans had a plenty of contact with the Slavs (for example some Ukrainian cities began as Greek colonies), but never reached Poland. Obviously we also never used Cyrillic.

The first person to actually write about Poland (even generally speaking as in a territory) was a Jewish slave trader probably doubling as a spy for the Islamic Iberians, in the late 10th century (Ibrahim ibn Yakub).

We talk about Poland now. Eastern Romans had a plenty of contact with the Slavs (for example some Ukrainian cities began as Greek colonies), but never reached Poland.

The first person to actually write about Poland (even generally speaking as in a territory) was a Jewish slave trader probably doubling as a spy for the Islamic Iberians, in the late 10th century (Ibrahim ibn Yakub).

We talk about Poland now. Eastern Romans had a plenty of contact with the Slavs (for example some Ukrainian cities began as Greek colonies), but never reached Poland.

The first person to actually write about Poland (even generally speaking as in a territory) was a Jewish slave trader probably doubling as a spy for the Islamic Iberians, in the late 10th century (Ibrahim ibn Yakub).

There's a reason we don't use Cyrillic, and this reason is that writing was introduced to Poland from the Latin Germany.

We talk about Poland now. Eastern Romans had a plenty of contact with the Slavs (for example some Ukrainian cities began as Greek colonies), but never reached Poland.

The first person to actually write about Poland (even generally speaking as in a territory) was a Jewish slave trader probably doubling as a spy for the Islamic Iberians, in the late 10th century (Ibrahim ibn Yakub).