The Christian holiday of All Hallows' Eve, celebrated on the same date, was originally celebrated on May 13, and was moved to its present date by Gregory III in the eighth century.

CNN: Happy Halloween

The Triforium was built in the 13th century by Henry III and offers spectacular views of the rest of the Abbey and the Houses of Parliament.

UNESCO: Westminster Abbey Triforium goes on show for first time

In the 18th century, under George III, it developed into an elegant town with neoclassical Palladian buildings, which blend harmoniously with the Roman baths.

UNESCO: World Heritage

These doubts weren't around a quarter of a century ago when Busch III, then 38, overthrew his dad, August (Gussie) Busch Jr.

FORBES: Are dynasties Dying?

La Peregrina reappears in England only in the later 19th century, having been acquired from Napoleon III by the Duke of Abercorn.

WSJ: Pearls Gone Wild

France at the time was a global superpower, ruled by Emperor Napoleon III, its military machine undefeated since the Battle of Waterloo a half-century before.

CENTERFORSECURITYPOLICY: When the Mexican Army defeated the French

But in the quarter-century after her death, the family became divided over a possible sale with William Cox III, Mr. Cox's son, helping lead the faction favoring a sale.

WSJ: William Cox, Dow Jones Executive, Dies at 82