Wikipedia

http://en.wikipedia.org/wiki/International_Opium_Convention The International Opium Convention was not as fun as it sounds.

http://en.wikipedia.org/wiki/List_of_silent_musical_compositions Wikipedia's list of silent musical compositions.

http://en.wikipedia.org/wiki/Peppercorn_%28legal%29 A peppercorn is a token cost put into a contract to obscure the actual amount of consideration given.

http://en.wikipedia.org/wiki/Green_flash You can see a tiny bit of green light when the sun sets. Wikipedia has some pictures.

http://en.wikipedia.org/wiki/SS_Eastland#The_Eastland_Disaster Sometimes you can have too many lifeboats.

http://en.wikipedia.org/wiki/Double_Irish_Arrangement The Double Irish Arrangement is a way for companies to avoid U.S. income tax on foreign income.

https://en.wikipedia.org/wiki/Feist_v._Rural Feist v. Rural established that copyrights require some creativity.

http://en.wikipedia.org/wiki/Naked_News This seems to be a business idea a lot of people have but nobody can make work. Jon Stewart should get on it.

http://en.wikipedia.org/wiki/Nestorian_Stele The Nestorian Stele records the ancient history of Christianity in China. It was buried in 845.

http://en.wikipedia.org/wiki/Tally_stick Wikipedia on the history of tally sticks throughout the ages and how they were used.