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History of United States Postage Rates
Since the late 19th century the cost to mail a letter in the United States has gone from 3¢ per half ounce to the latest increase of 42¢ per ounce. Follow the postage rate changes through the years, for first class and postcard rate mail, with this handy table.

Stamp-themed Lessons
Stamp Collecting is a great way for teachers and parents to introduce important historical events to young children. In addition, philately can be a great way for children to learn about their surrounding environment, regardless of their age and school grade level.

From Darius to Franklin: A Brief History of the Postal Service
In 550 B.C., the first organized postal service was established by the Persians under Darius. Centuries later, Rowland Hill would be credited with inventing the very first adhesive postage stamp. Learn the fascinating history behind the postal service from 5th century B.C. Persian messengers to 1918 United States airmail.

Achievements in Postage Stamp Design
There are six major elements in the design of a postage stamp, each carries its own importance in stamp creation and printing. Learn the history of postage stamp design and the various printing methods used by the postal service to bring these designs to life.

Rowland Hill and the Penny Black
A brief history of Rowland Hill, inventor of the first adhesive postage stamp.

History of the United States Postal System
A detailed history of the U.S. postal system, highlighting the pony express, mule mail, the first commemorative stamps, and more.

Commemorative Stamp History
Today they are everywhere, celebrating major events in history, famous individuals in our society, and even Disney characters, but in 1893 commemorative stamps were considered by many to be unnecessary.

Their Stamp on History
Who is that person pictured on my postage stamp, and what did they do to get there? A fun educational website exploring the lives of famous figures through their pictures on U.S. Postage stamps.

Stamps Through the Years
A brief history of the postage stamp geared toward younger collectors.

History of Thai Postage Stamps
Discover the fascinating history of the Thai Postal System and the Stamps of the Bangkok Philatelic Museum.