Way back when 2 children were sent via parcel post to new destinations. They had stamps placed on their clothing and started their journeys in trains and then city carriers. Once the postmaster general heard of these live packages, he quickly issued a rule that forbid children being sent as packages.

Learn Something Fun:  The United States Postal Services website aka usps.com is one of the most frequently visited government sites with more than 413 million visits in 2010 — averaging more than 1.3 million visitors each day.