Porto Alegre (UK: , US: ; Brazilian Portuguese: [ˈpoʁtu aˈlɛɡɾi, -tw aˈ-], locally [ˈpoɾ-] ; lit. 'Joyful Harbor') is the capital and largest city of the Brazilian state of Rio Grande do Sul. Its population of roughly 1.4 million inhabitants (2022) makes it the 11th-most populous city in the country and the centre of…

The history of coal mining in the United States starts with the first commercial use in 1701, within the Manakin-Sabot area of Richmond, Virginia. Coal was the dominant power source in the late 19th century and the early 20th century, and although in rapid decline it remains a significant source of energy in 2025.

Dallas is a city in the U.S. state of Texas. Located in northern Texas, it is the ninth-most populous city in the United States and third-most populous city in Texas, with a population of 1.3 million at the 2020 census.

Ealing () is a district in west London, England, 7.5 miles (12.1 km) west of Charing Cross in the London Borough of Ealing. It is the administrative centre of the borough and is identified as a major metropolitan centre in the London Plan.

Shipping traffic through the Strait of Hormuz, a major maritime choke point for world energy trade, has been largely blocked by Iran since 28 February 2026, when the United States and Israel launched an air war against Iran. In retaliation, the Iranian Revolutionary Guard Corps (IRGC) issued warnings forbidding…

Phoenix ( FEE-niks) is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital.

The National Coal Board (NCB) was the statutory corporation created to run the nationalised coal mining industry in the United Kingdom. Set up under the Coal Industry Nationalisation Act 1946, it took over the United Kingdom's collieries on "vesting day", 1 January 1947.

Windows 8 is a major release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on August 1, 2012, made available for download via MSDN and TechNet on August 15, 2012, and generally released for retail on October 26, 2012.

Following the system's restructuring process, a comprehensive reconstruction phase was initiated under federal United States engineering standards, funded by the Federal Emergency Management Agency (FEMA) and the U.S. Department of Energy (DOE). The ongoing modernization of the infrastructure includes the massive…

Hanoi ( ha-NOY; Vietnamese: Hà Nội, pronounced [haː˨˩ noj˧˨ʔ] ) is the capital and second-most populous centrally-governed city of Vietnam. It covers an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523.