2678 UNITED STATES (Puerto Rico) - Puerto Rico map and flag

Puerto Rico, an archipelago that includes the main island of Puerto Rico and a number of smaller islands, is an unincorporated territory of the United States, located in the northeastern Caribbean Sea. The capital and most populous city is San Juan, the second oldest European-established capital city in the Americas, after Santo Domingo (Dominican Republic), founded by Spanish colonists in 1521. Its official languages are Spanish, which is predominant, and English. The island's population is approximately 3.5 million.

2277 UNITED STATES (Midway Islands) - The aerial view of the islands

Midway Islands is an atoll in the North Pacific Ocean, located roughly equidistant between North America and Asia, as its name suggests. It is near the northwestern end of the Hawaiian archipelago, about one-third of the way from  Honolulu (Hawaii), to Tokyo (Japan). It is an unorganized, unincorporated territory of the United States, inhabited by 40-60 members of the United States Fish and Wildlife Service (FWS), which administers the Midway Atoll National Wildlife Refuge.

2048 UNITED STATES (Virgin Islands of the United States) - Charlotte Amalie

2048 Aerial view of Charlotte Amalie and Hassel Island

Located on mid-island on the south shore of Saint Thomas (the largest of the four main islands of Virgin Islands of the United States), Charlotte Amalie is the capital and largest city of this unincorporated territory of the United States. Built on three low volcanic spurs called Frenchman Hill (Foretop Hill), Berg Hill (Maintop), and Government Hill (Mizzentop), it stretches about 1.5 miles around Saint Thomas Harbor, being protected by the peaks of Water Island and  Hassel Island.

1676 UNITED STATES (Puerto Rico) - La Fortaleza and San Juan National Historic Site in Puerto Rico (UNESCO WHS)

1676 San Jose - Castillo San Cristóbal

In 1508, Juan Ponce de León founded the settlement Caparra, which today is known as the Pueblo Viejo sector of Guaynabo. A year later, the settlement was moved to a site then called Puerto Rico (Rich Port), which in 1521 received the name San Juan Bautista de Puerto Rico, in honor of John the Baptist. As a settlement of the Spanish Empire, it was used by merchant and military ships traveling from Spain as the first stopover in the Americas. Because of its prominence in the Caribbean, a network of fortifications was built to protect the transports of gold and silver from the New World to Europe.

0307 UNITED STATES (Guam) - Guam... or rather Guahan

In 521 Martin Luther was excommunicated, Hernán Cortés had knelt the Aztec Empire, Suleiman the Magnificent conquered Belgrade, The Grand Duchy of Moscow annexed the Principality of Ryazan, and Ferdinand Magellan crossed the Pacific in the name of Charles V. On March 6, Magellan discovered the Guahan island (in the archipelago which he official named Islas de las Velas Latinas, later became Las Marianas). No could be said that was the best year of the Spaniard explorer, because after less than two months he will be killed in the Philippines.