You can't have that.
Lemon flavored custards, puddings and pies have been enjoyed since Medieval times, but meringue was perfected in the 17th century. Lemon meringue pie, as it is known today, is a 19th-century product. The earliest recorded recipe was attributed to Alexander Frehse, a Swiss baker from Romandie.
http://en.wikipedia.org/wiki/Lemon_meringue_pie
Next you'll be claiming hot dogs and burgers
America has been around since the 19th century! How do you know this Swiss swindler didn't steal this recipe on holiday?

