What is a chloedocholithotomy?

What was invented by Otto Titzling? When the serfdom was abolished what did most serfs become? Is the name Cayden Irish or Scottish? Why did American's head west? Who invented the washing machine from 1920-1930? Who led the Church of England's separation from Rome? Name eastern most country in the world to the western most country? What did a roman father do with a newborn baby? Which continent extends west from Dardanelles the Black Sea and the Ural Mountains? Who was old iron pants? What it the history of the word precedent? Is thomas crapper black? Why was the life expectancy so low in middle ages? Did the West support Slavery? What breed of cattle was most predominant from 1750- 1850 in North America? Who was the most famous visitor to Kublai's Khan's china and a Venetian Trader? Was the Middle East involved in the Crusades? What is the origin of the surname Clarke? Who made denim jeans and why? What occurred during medieval crusades?