Undersea cable network between Japan and USA

The first undersea fiberoptic cable network began operation in August 2001, between Japan and USA, this was a joint venture between American and Japanese telecommunications companies, connecting Japan to the U.S. mainland via Hawaii.
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Ocean-Mapping Satellite Launched

The ocean-mapping satellite was Seasat 1, launched by the United States on June 26, 1978. Continue reading

Japanese First Used Ironclad Vessels in War

Ironclad naval vessels were first used during the invasion of Korea by the Japanese warlord Toyotomi Hideyoshi in 1592. Continue reading

American Turtle Was the First War Submarine

The war submarine American Turtle was built by American inventor David Bushnell of Saybrook, CT, USA in 1776. Continue reading

Zheng He Created a Sea Chart

Admiral and diplomat Zheng He created the earliest known sea chart of the southern Asian and Indian waters during his seventh voyage in 1431-33. Continue reading

Zheng He Commands Exploration Voyage Around Asia

Zheng He, a Muslim-born officer in the service of Emperor Yongle commanded a Chinese voyage of exploration and diplomacy in 1405. Continue reading

Moses Rogers

Moses Rodgers, who was born into slavery in Missouri, came to California in 1849. He became prominent during the Gold Rush as a successful mining engineer, making a lucrative career excavating gold in mines he owned in Hornitos in Mariposa County. Continue reading

The Savannah Steamboat Crossed The Atlantic Ocean

The Savannah Steamboat, a 350-ton wooden craft designed by an American, Daniel Dod of Elizabeth, NJ, USA, and Continue reading

Steamboat Phoenix Makes Ocean Voyage

The Phoenix steamboat made an ocean voyage on June 10, 1809, while under the command of Moses Roger Continue reading

Vasco Nunez de Balboa

Vasco Núñez de Balboa (Spanish pronunciation: [ˈbasko ˈnuɲeθ ðe βalˈβo.a]; c. 1475 – around January 12–21, 1519) was a Spanish explorer, governor, and conquistador. Continue reading