Globalization and disease Spanish soldiers introduced smallpox by contact with natives of the Aztec capital Tenochtitlan. A devastating epidemic broke out among the indigenous people, killing thousands. In 1617, smallpox reached Massachusetts, probably brought by earlier explorers to Nova Scotia, Canada.” By 1638 the disease had broken out among people in Boston, Massachusetts. In 1721 people fled the city after an outbreak, but the residents spread the disease to others throughout the thirteen colonies. Smallpox broke out in six separate epidemics in the United States through 1968. The smallpox vaccine was developed in 1798 by Edward Jenner. By 1979 the disease had been
Bugle and trumpet calls of the Mexican Armed Forces Bugle and trumpet calls of the Mexican Armed Forces The Mexican Armed Forces have a number of bugle and trumpet calls for the different branches. Drums and bugles are used to signal the various calls for most units of the Army, Navy and Air Force while the cavalry trumpet is used to signal calls for the cavalry units of the Army, Army artillery units and the Air Force. Many of the calls and signals listed below are also used by civilian drum and bugle bands. The Mexican Army uses 129 bugle calls. Most are played by drummers and buglers in