What year did the Pilgrims arrive at Plymouth?

The Civil War was fought during what time period?

What date was the Declaration of Independence endorsed by the Second Continental Congress?

What year was the Louisiana Territory purchased by Thomas Jefferson?

What year was our first form of democratic self-government, the Mayflower Compact, signed on?

The United States Constitution, replacing the Articles of Confederation, was written at the Constitutional Convention in Philadelphia, Pennsylvania in what year?