
### Instruction:
What was the capital of Poland in 1640?
### Response:
Warsaw.

It became the capital of Poland-Lithuania Commonwealth in 1596.

It was chosen as the capital because it was the mid-point between the then Polish capital Cracow, and Lithuanian capital Vilnius.
<|EOT|>
<｜begin▁of▁sentence｜>
### Instruction:
what events occurred during this period that were attributed to this