Crystal Palace

The Crystal Palace was an iron and glass structure built in Hyde Park, London, to house the Great Exhibition of 1851, the first of the World's Fairs.  Designed by Joseph Paxton, the Great Exhibition building was 1,851 feet long, with an interior height of 128 feet, and was three times the size of St Paul's Cathedral.  There is a football club, Crystal Palace F.C., in South London, that takes tts name from the structure.  The structure was destroyed on November 30, 1936, by a fire that began as a small office fire.

Titan

Titan is a moon of Saturn.  It is the only moon in the solar system known to have clouds and an atmosphere, and the only one with bodies of liquid on its surface.  The liquid is probably methane and ethane.

First World Cup host

The first nation to host the World Cup was Uruguay, in 1930.  They won, Argentina was the runner up, and the USA took third place, its best finish to this day!  Go USA!

Noble gases

Noble gases are a group of chemical elements in the periodic table with very low reactivity. They are located in group 18 of the periodic table and include helium, (He) neon (Ne), argon (Ar), krypton, xenon (Xe), and radon (Rn).  They have also been referred to as the inert gases or aerogens.

Fall of the Berlin Wall

The Berlin Wall fell on November 9, 1990.  German reunification was finalized in 1991.  More than 100 people died trying to cross the Berlin Wall over the course of its 28-year history.