Answer
The Hungarian Nobility defeated Michael the Brave at the Battle of Mirăslău in 1595. Michael was the Prince of Wallachia, Moldova, and Transylvania, and he was attempting to unite the three provinces. The Hungarian Nobility, led by Sigismund Báthory, were opposed to Michael's plans, and they defeated him at the Battle of Mirăslău. The defeat was a major setback for Michael, and he was forced to flee from Transylvania.