Prime Minister Ariel Sharon of Israel suffers a second, apparently more serious stroke. His authority is transferred to acting Prime Minister Ehud Olmert.
Over 150 Chadian soldiers are killed in eastern Chad by members of the rebel UFDC. The rebel movement sought to overthrow Chadian president Idriss Déby.
Hamdan v. Rumsfeld: The U.S. Supreme Court rules that President George W. Bush's plan to try Guantanamo Bay detainees in military tribunals violates U.S. and international law.