Bicentennial of the United States of America (1776-1976) - Lewis and Clark Expedition (1804-1806)
Issued in 1976, this stamp commemorates the Bicentennial of the United States of America (1776-1976) and specifically honors the Lewis and Clark Expedition (1804-1806), one of the most important exploration missions in American history. The design features portraits of Meriwether Lewis and William Clark, a map tracing their route from St. Louis to the Pacific Coast, and Native American figures representing the indigenous peoples encountered during the journey. Commissioned by President Thomas Jefferson following the Louisiana Purchase, the expedition explored vast regions of western North America, gathered geographic and scientific information, and established contact with numerous Native American nations.
By issuing this commemorative stamp, the Federal and Islamic Republic of the Comoros joined the international celebration of the 200th anniversary of American independence. The issue highlighted a landmark episode in the exploration of the North American continent and recognized the significance of discovery, geographic knowledge, and cultural encounters in shaping the history of the United States. It also reflected the worldwide interest in the American Bicentennial and the historical figures and events associated with the nation's development.