1966 5¢ Migratory Bird Treaty
March 16, 1937

Bombay Hook National Wildlife Refuge

On March 16, 1937, Bombay Hook National Wildlife Refuge was established in Delaware. The refuge projects vital wetlands and salt marshes that serve as important breeding and wintering grounds for hundreds of species of waterfowl and migrating birds.

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2003 37¢ Pelican Island National Wildlife Refuge
March 14, 1903

Establishment of First U.S. Wildlife Refuge 

On March 14, 1903, President Theodore Roosevelt signed legislation creating Pelican Island National Wildlife Refuge, the first such protective area in America.  Today, the National Wildlife Refuge System contains more than 560 protected areas, covering over 150 million acres.

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1982 13¢ Kitten and Puppy stamp
November 22, 1954

The Humane Society of the United States

The Humane Society of the United States was established on November 22, 1954, in Wilmington, Delaware as the National Humane Society. It’s the largest animal protection organization in the world with over seven million members.

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2016 47¢ Theodore Roosevelt National Park stamp
November 10, 1978

Theodore Roosevelt National Park

On November 10, 1978, Theodore Roosevelt National Park was established on North Dakota. Roosevelt’s time in the Badlands inspired his conservation efforts as president, establishing over 200 protected areas.

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2019 State and County Fairs stamps
September 29, 1841

First State Fair in America

On September 29, 1841, New York held the first state fair in the US. Today it’s the oldest and one of the most highly attended of all US state fairs.

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1958 4¢ Forest Conservation stamp
September 10, 1875

The American Forestry Association

The American Forestry Association was founded on September 10, 1875, in Chicago, Illinois. It’s one of America’s oldest national conservation organizations, with a mission of “Creating Healthy and Resilient Forests, from Cities to Wilderness, that Deliver Essential Benefits for Climate, People, Water and Wildlife.”

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1984 Smokey Bear stamp
August 9, 1944

Smokey Bear Created to Join the War Effort 

On August 9, 1944, the US Forest Service created Smokey Bear to encourage people to prevent forest fires.  The Wildfire Prevention Campaign is the longest-running public service announcement campaign in US history, and Smokey has become an icon recognized around the globe.

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2010 Monarch Butterfly stamp
May 17, 2010

Butterfly Series

On May 17, 2010, the USPS issued the first stamp in the Butterfly Series.  The stamps were created for use on envelopes that couldn’t be sorted on the USPS’s automated equipment, otherwise known as “nonmachinable.”  They’re often used for greeting cards. 

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Merian Botanicals stamp
April 2, 1647

Birth of Maria Sibylla Merian

Naturalist and artist Maria Sibylla Merian was born on April 2, 1647, in Frankfurt-am-Main, Germany. Merian spent her life studying insects and plants and capturing them in beautifully detailed paintings and drawings.

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