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Castillo San Cristóbal (San Juan)
Castillo San Cristóbal () is a fortress in the Old San Juan historic quarter of San Juan, the capital municipality of Puerto Rico, known for being the largest fortification built by the Spanish in the New World. Dating back to defense expansions following attacks by the English in 1598 and Dutch in 1625, it was first constructed in 1634 as the ''Caballero de San Miguel'' (Saint Michael Cavalier) and the ''Garita del Diablo'' ("devil’s sentry box"). Over the next 150 years, especially in the reign of King Charles III of Spain, it continued to be developed into a bastion fort with outer ravelins and batteries to reach its largest size in 1783. Rising 150 ft from the Atlantic shoreline, the three-level edifice stands on a hill at the northern coastline of San Juan Islet, guarding the land entry to Old San Juan. Alongside El Morro, La Fortaleza, and other forts part of the Walls of Old San Juan, it protected strategically and militarily important Puerto Rico, or ''La ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Walls Of Old San Juan
The Walls of Old San Juan (Spanish: ''Murallas del Viejo San Juan'') is a defensive city wall that surrounds the western end of the San Juan Islet, site of the historic district of San Juan, Puerto Rico. This defensive wall system was built between the 16th and 18th centuries to protect the city and the Bay of San Juan, a highly strategic point in the Caribbean. These walls, along with the defensive fortresses in Old San Juan (La Fortaleza, El Morro and San Cristóbal), form part of the UNESCO World Heritage Site-designated San Juan National Historic Site as they are characteristic examples of the historic methods of construction used in military architecture which adapted European designs and techniques to the special conditions of the Caribbean port cities. San Juan remains the only walled city under the United States jurisdiction, with walled cities like Boston, Charleston and New Orleans no longer having walls after the 18th century, although St. Augustine, Florida still ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santurce, San Juan, Puerto Rico
Santurce (, meaning Saint George from Basque language, Basque ''Santurtzi'') is the largest and most populated Barrios of San Juan, Puerto Rico, barrio of the Municipalities of Puerto Rico, municipality of San Juan, Puerto Rico, San Juan, the capital city of Puerto Rico. With a population of 69,469 in 2020, Santurce is also one of the most population density, densely populated areas of the Geography of Puerto Rico, main island of Puerto Rico (13,257.4 persons per square mile (5,178.6/km2)) with a population larger than most municipalities of the territory. Founded as San Mateo de Cangrejos in the 1760, Santurce officially became part of the municipality of San Juan in 1863. From its original settlement, its history has been marked by diverse waves of immigration, particularly of Afro–Puerto Ricans, Afro-Puerto Rican, Chinese immigration to Puerto Rico, Chinese, History of the Jews in Puerto Rico, Jewish and Dominican Republic immigration to Puerto Rico, Dominican communities who ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World Heritage Committee
The World Heritage Committee is a committee of the United Nations Educational, Scientific and Cultural Organization that selects the sites to be listed as UNESCO World Heritage Sites, including the World Heritage List and the List of World Heritage in Danger, defines the use of the World Heritage Fund and allocates financial assistance upon requests from States Parties. It comprises representatives from 21 state parties that are elected by the General Assembly of States Parties for a four-year term. These parties vote on decisions and proposals related to the World Heritage Convention and World Heritage List. According to the World Heritage Convention, a committee member's term of office is six years. However many States Parties choose to voluntarily limit their term to four years, in order to give other States Parties an opportunity to serve. All members elected at the 15th General Assembly (2005) voluntarily chose to reduce their term of office from six to four years. D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
La Fortaleza And San Juan National Historic Site In Puerto Rico
La Fortaleza and San Juan National Historic Site in Puerto Rico is a UNESCO World Heritage Site located in Puerto Rico, an unincorporated territory of the United States in the Caribbean. The world heritage site consists of several historic defensive structures built by the Spanish Empire between the 16th and 20th centuries to defend the strategically located colonial city of San Juan and its bay from foreign attacks. These fortifications are among the oldest European-built defensive systems and largest of its kind in the Western Hemisphere. In addition to its historic importance the site is notable for its architectural significance as one of the most prominent military adaptations of Renaissance and Baroque architecture in the Americas. Nomination ''La Fortaleza and San Juan National Historic Site in Puerto Rico'' was proclaimed a UNESCO World Heritage Site during the 7th annual session of the World Heritage Committee that took place in the city of Florence, Italy on Decembe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bombardment Of San Juan
The Bombardment of San Juan, or the First Battle of San Juan, on 12 May 1898 was an engagement between United States Navy warships and the Spanish fortifications of San Juan, Puerto Rico. It was the first major action of the Puerto Rican Campaign during the Spanish–American War. Background Under the command of Rear Admiral William T. Sampson, a U.S. fleet—consisting of the flagship armored cruiser , battleships and , the unprotected cruisers and , the monitors and , the torpedo boat , the auxiliary cruiser , the collier , and two unarmed yachts transporting officials and the press,—prepared to attack Puerto Rico. Their mission was to intercept the Spanish Admiral Pascual Cervera y Topete and his fleet steaming from the Cape Verde Islands to the Antilles. American commanders believed the Spanish fleet was steaming for Puerto Rico. With this understanding, Sampson set steam from Key West and lifted anchor at about noon on 2 May, for the Spanish province. The Fleet re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of San Juan (1797)
__NOTOC__ The Battle of San Juan was an ill-fated British assault in 1797 on the Spanish colonial port city of San Juan in Puerto Rico during the 1796–1808 Anglo-Spanish War. The attack was carried out facing the historic town of Miramar. Background Spain aligned itself with France by signing the Second Treaty of San Ildefonso in 1796. Britain then targeted both countries' Caribbean colonies. Admiral Sir Henry Harvey's fleet picked up Sir Ralph Abercromby's army in Barbados. Together, they captured Trinidad from the Spanish, before heading for San Juan. Battle On 17 April 1797, Lieutenant-General Sir Ralph Abercromby's fleet of 68 vessels appeared offshore Puerto Rico with a force of 7000, which included German auxiliaries and French émigrés. Two of his frigates then blocked San Juan harbor. The governor, Field Marshal Don Ramón de Castro y Gutiérrez, had already mobilized his 4000 militia and 200 Spanish garrison troops which, combined with 300 French privateers, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clay
Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide. Clays develop plasticity (physics), plasticity when wet but can be hardened through Pottery#Firing, firing. Clay is the longest-known ceramic material. Prehistoric humans discovered the useful properties of clay and used it for making pottery. Some of the earliest pottery shards have been radiocarbon dating, dated to around 14,000 BCE, and Clay tablet, clay tablets were the first known writing medium. Clay is used in many modern industrial processes, such as paper making, cement production, and chemical filtration, filtering. Between one-half and two-thirds of the world's population live or work in buildings made with clay, often baked into brick, as an essenti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sand
Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is usually defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass. The composition of sand varies, depending on the local rock sources and conditions, but the most common constituent of sand in inland continental settings and non-tropical coastal settings is silica (silicon dioxide, or SiO2), usually in the form of quartz. Calcium carbonate is the second most common type of sand. One such example of this is aragonite, which has been created over the past 500million years by various forms of life, such as coral and shellfish. It is the primary form of sand apparent in areas where reefs have dominated the ecosystem for millions of years, as in the Caribbean. Somewhat more rarely, sand may be composed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brick
A brick is a type of construction material used to build walls, pavements and other elements in masonry construction. Properly, the term ''brick'' denotes a unit primarily composed of clay. But is now also used informally to denote building units made of other materials or other chemically cured construction blocks. Bricks can be joined using Mortar (masonry), mortar, adhesives or by interlocking. Bricks are usually produced at brickworks in numerous classes, types, materials, and sizes which vary with region, and are produced in bulk quantities. Concrete masonry unit, ''Block'' is a similar term referring to a rectangular building unit composed of clay or concrete, but is usually larger than a brick. Lightweight bricks (also called lightweight blocks) are made from expanded clay aggregate. Fired bricks are one of the longest-lasting and strongest building materials, sometimes referred to as artificial stone, and have been used since . Air-dried bricks, also known as mudbricks ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sandstone
Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar, because they are the most resistant minerals to the weathering processes at the Earth's surface. Like uncemented sand, sandstone may be imparted any color by impurities within the minerals, but the most common colors are tan, brown, yellow, red, grey, pink, white, and black. Because sandstone beds can form highly visible cliffs and other topography, topographic features, certain colors of sandstone have become strongly identified with certain regions, such as the red rock deserts of Arches National Park and other areas of the Southwestern United States, American Southwest. Rock formations composed of sandstone usually allow the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Puerto Rico
; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territory of the United States under the designation of Commonwealth (U.S. insular area), commonwealth. Located about southeast of Miami, Miami, Florida between the Dominican Republic in the Greater Antilles and the United States Virgin Islands, U.S. Virgin Islands in the Lesser Antilles, it consists of the eponymous main island and numerous smaller islands, including Vieques, Puerto Rico, Vieques, Culebra, Puerto Rico, Culebra, and Isla de Mona, Mona. With approximately 3.2 million Puerto Ricans, residents, it is divided into Municipalities of Puerto Rico, 78 municipalities, of which the most populous is the Capital city, capital municipality of San Juan, Puerto Rico, San Juan, followed by those within the San Juan–Bayamón–Caguas metro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Juan Islet
San Juan Islet ( Spanish: ''Isleta de San Juan'') is a islet or small island on San Juan Bay in the Atlantic coast of northern Puerto Rico. Home to Old San Juan, it is the site of the oldest permanent European settlement in Puerto Rico (1521), and the second-oldest European settlement in the West Indies after Santo Domingo (1496). Due to its strategic location in the Caribbean during the Spanish colonization of the Americas, it is home to a city wall and a number of militaristic buildings such as El Morro Castle. Today, it is also home to many of Puerto Rico's government buildings such as the territory's capitol building ( El Capitolio). History Isleta de San Juan had been inhabited since before the Spanish arrival to the Caribbean in 1492. Remains of a shell shed and a fishing site were uncovered in 1937 (near the modern-day Puerto Rico National Guard Museum) in by archaeologist Irving Rouse from Yale University. The island was first mapped in 1519 with the intentio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
