Zerah Colburn (1804–1894) was an American prodigy known for his remarkable mental calculation abilities. Born in Vermont, he became famous in the early 19th century as a "mental calculator," able to perform complex arithmetic operations quickly and accurately in his head. Colburn could solve large mathematical problems and perform calculations to a level that astonished audiences, often demonstrating his skills in public performances.

The 101st meridian west is a line of longitude located 101 degrees west of the Prime Meridian, which runs through Greenwich, London. It is part of the geographic coordinate system used to specify locations on the Earth's surface. The 101st meridian west spans from the North Pole to the South Pole and passes through several countries and regions, including parts of Canada and the United States.

The 105th meridian east is a line of longitude located at 105 degrees east of the Prime Meridian. It runs from the North Pole to the South Pole, passing through several countries in Asia, including Mongolia, China, and India, before reaching the Southern Ocean. This meridian is often used in geographical and navigational contexts to help locate points on the Earth's surface. Key locations near this meridian include parts of the Tibetan Plateau and various regions in Central Asia.

The 106th meridian west is a line of longitude located at 106 degrees west of the Prime Meridian, which runs through Greenwich, England. This meridian runs from the North Pole to the South Pole and passes through various regions in North America. In the United States, the 106th meridian west runs through states such as Colorado and New Mexico, and it serves as a rough boundary for certain geographical features and time zones.

The 108th meridian east is a line of longitude that is 108 degrees east of the Prime Meridian, which runs through Greenwich, England. This meridian runs from the North Pole to the South Pole, passing through several countries. In Asia, the 108th meridian east traverses parts of Mongolia, China, and India. In North America, it crosses the United States, primarily running through states such as New Mexico and Colorado.

The 114th meridian west is a line of longitude located 114 degrees west of the Prime Meridian, which runs through Greenwich, England. It is part of the geographic coordinate system that helps to pinpoint locations on the Earth's surface. The 114th meridian west passes through several regions in North America, including parts of Canada and the United States. In the United States, it runs through states like Montana, Wyoming, Colorado, and Utah.

The 118th meridian west is a line of longitude that runs from the North Pole to the South Pole, located 118 degrees west of the Prime Meridian. It passes through several U.S. states, including parts of California, Nevada, Utah, Arizona, and New Mexico. This meridian also crosses through areas of Canada and Mexico. In geographical contexts, meridians are used in mapping and navigation to indicate east-west positions on the Earth's surface.

The 121st meridian east is a line of longitude that is 121 degrees east of the Prime Meridian, which runs through Greenwich, London. This meridian runs from the North Pole to the South Pole and passes through several countries and regions. In the Northern Hemisphere, the 121st meridian east crosses through parts of Russia, Mongolia, and China. In the Southern Hemisphere, it passes through areas of the Indian Ocean and some islands.

The 129th meridian west is a line of longitude that is located 129 degrees west of the Prime Meridian. It runs from the North Pole to the South Pole and passes through parts of Canada and the United States, primarily traversing the western regions of these countries. Specifically, in the U.S., it crosses through the state of Alaska and portions of the states of Washington, Oregon, and California, among others.

The 127th meridian east is a line of longitude that is 127 degrees east of the Prime Meridian, which is located at 0 degrees longitude. This meridian crosses several regions as it travels from the North Pole to the South Pole. In the Northern Hemisphere, it passes through parts of Russia, Mongolia, China, and the Korean Peninsula. In the Southern Hemisphere, it crosses through parts of the ocean as well as areas of Antarctica.

The 132nd meridian east is a line of longitude that is located 132 degrees east of the Prime Meridian. It runs from the North Pole to the South Pole, passing through various geographical locations. Notably, it crosses through several countries, including Russia, Japan, and Australia. In Japan, the meridian passes through various islands, including parts of Hokkaido and the Ogasawara Islands. In Australia, it traverses through parts of the Northern Territory and Queensland.

The 132nd meridian west is a line of longitude that is 132 degrees west of the Prime Meridian, which is located in Greenwich, London, UK. This meridian runs from the North Pole to the South Pole and crosses various countries and bodies of water. In the United States, the 132nd meridian west primarily traverses through the state of Alaska. It is significant in geography and navigation for its role in defining time zones and conducting surveys.

The 136th meridian east is a line of longitude that is 136 degrees east of the Prime Meridian, which is the reference line for longitude that runs through Greenwich, London, United Kingdom. This meridian runs from the North Pole to the South Pole and passes through several regions, including parts of Russia, Japan, and the Pacific Ocean. Geographically, it is used in navigation and mapping to help locate positions on Earth.

The 144th meridian east is a line of longitude that is 144 degrees east of the Prime Meridian, which is defined as 0 degrees longitude and runs through Greenwich, England. The 144th meridian east is used in geography and navigation to help specify locations on the Earth's surface. Geographically, the 144th meridian east passes through several countries, including parts of Russia, Japan (specifically Hokkaido), and the Pacific Ocean.

The 154th meridian west is a line of longitude that is 154 degrees west of the Prime Meridian, which is located at 0 degrees longitude. It runs from the North Pole to the South Pole. In terms of its geographic location, the 154th meridian west passes through the Pacific Ocean and is close to the Aleutian Islands of Alaska, which makes it significant for navigation and geography.

The 145th meridian east is a line of longitude located 145 degrees east of the Prime Meridian, which is defined as 0 degrees longitude. The meridian runs from the North Pole to the South Pole and passes through several regions, including: 1. **Northern Hemisphere**: - Japan (the meridian runs through the eastern part of the country, including areas such as Hokkaido). - Parts of Russia (particularly in the eastern region).

The 14th meridian west is a line of longitude located 14 degrees west of the Prime Meridian, which is the line of longitude defined as 0 degrees and runs through Greenwich, England. Geographically, the 14th meridian west passes through several countries in Europe and Africa. In Europe, it crosses parts of western Norway and central Sweden. As it continues southward, it passes through countries such as Denmark, Germany, and Austria.