Mr. Smarty Pants Knows

The Manhattan (the drink made with rye whiskey and sweet vermouth) debuted in 1867.

There are 2 million single fathers in the U.S.

According to Ancestry.com, President Obama is descended from someone whom they call the first "slave" in America. He is 11th great-grandson of John Punch, who in 1640 became the first documented African enslaved for life in American history.

The word "thesaurus" comes from the Greek word for treasure.

July 1 is Canada Day. According to a recent study by Environics Analytics WealthScapes, the average Canadian has a net worth of $363,202, compared to $319,970 for the average American. Credit Suisse's Global Wealth Report found that in 2011, Canada had a median household wealth of $89,014, compared to $52,752 for the U.S.