Kalmar Union, combination of the crowns of Denmark, Sweden, and Norway, effected at Kalmar, Sweden, by Margaret I in 1397. Because all three crowns were elective, the union could not be maintained by inheritance. Margaret's successors controlled Sweden intermittently until Gustavus I of Sweden dissolved the union (1523). Norway became independent in 1814.

The Belize Barrier Reef is a long coral reef system along the Caribbean coast of Belize, forming part of the larger Mesoamerican Barrier Reef System. It extends for much of the country’s coastline and includes hundreds of cayes, mangrove islands, lagoons, seagrass beds, and offshore reef formations. The reef lies close to several coastal communities, including San Pedro, Placencia, and Dangriga, providing an important setting for fishing, tourism, and marine research.

Kuwait City began as a modest fishing village and has evolved into a modern metropolis. The city's history is deeply rooted in its maritime heritage. The Dhow Harbour in Kuwait City offers a captivating glimpse into the nation's rich maritime past. Historically, dhows were essential for trade, fishing, and pearl diving, shaping Kuwait's economic and cultural identity. Today, the harbor remains a vibrant testament to this legacy, housing a variety of traditional wooden ships.

Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.

New London, city, New London County, southeastern Connecticut, on the Thames River near its mouth on Long Island Sound; incorporated as a city 1784.