Name The Year: German Democratic Republic accepts the Deutsche Mark as its currency.?

Questions

History - What food was almost non-existent in Ireland in the 1840's?

History - What is the 15' by 18' cell that 146 captured british officers were forced into by indian troops in the 19th century called?

History - What kind of teeth did George Washington have?

History - What missionary station was built by Albert Schweitzer?

History - What period is also known as the age of fish?