1) The concept of separation of powers, as articulated by French philosopher Montesquieu, refers to the division of government responsibilities into distinct branches, such as the executive, legislative, and judicial, to prevent concentration of power.

2) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.

3) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

4) Cyclones are fueled by warm ocean waters and atmospheric conditions that allow the formation of thunderstorms.