Discover how Ukraine is blending ancient tactics with modern warfare to disrupt Russian advances. Using a weapon inspired by the Roman Empire—the caltrop—Ukrainian forces are immobilizing ...

Between 1648 and 1657, the Zaporizhzhian Cossacks rebelled against the Polish Commonwealth but also massacred local Jews and Roman Catholics. Then, in 1654, the Cossacks signed the Pereyaslav ...

Roman Abramovich’s Long-Shot Effort to Save Ukraine, His Reputation and His Fortune His chances to be a middleman for peace are falling, while the pressure on his assets is increasing ...