History of Zanzibar of Tanzania; it is celebrated on 12 January each year. On 26 April 1964, the mainland colony of Tanganyika united with Zanzibar to form the United Republic of Tanganyika and Zanzibar; this lengthy name was compressed into a portmanteau, the United Republic of Tanzania, on 29 October 1964. After unification, local affairs were controlled by President Abeid Amani Karume, while foreign affairs were handled by the United Republic in Dar es Salaam. Zanzibar remains a semi-autonomous region of Tanzania. The autonomous status of Zanzibar is viewed as comparable to Hong Kong as suggested by some scholars, and being recognized as
Zanzibar rate slightly higher in females (0.7 percent) than males (0.5 percent). The northern part of the island presents elevated volumes of trash in the streets, beaches and the ocean—mostly plastic bottles, other plastics and cigarette butts. There is indiscriminate dumping in residential areas. Ancient pottery implies trade routes with Zanzibar as far back as the time of the ancient Assyrians. Traders from the Arabian Peninsula, the Persian Gulf region of modern-day Iran (especially Shiraz), and west India probably visited Zanzibar as early as the 1st century. They used the monsoon winds to sail across the Indian Ocean to land at