However , in the spring of 1393 Bayezid gathered a large army from his dominions in the Balkans and Asia Minor and attacked Bulgaria .
The new Ottoman sultan Bayezid I pretended to have peaceful intentions in order to cut off Ivan Shishman from his alliance with the Hungarians .
In the spring of 1393 Bayezid I gathered a large army from Ivan Shishman 's dominions in the Balkans and Asia Minor and attacked Bulgaria .
The new Ottoman sultan Bayezid I pretended to have peaceful intentions in order to cut off Ivan Shishman from his alliance with the Hungarians .