Indian Ocean trade Madagascar at this time leaving behind a lasting cultural and genetic legacy. Chinese fleets under Zheng He criscrossed the Indian Ocean during the early part of the 15th century. The missions were diplomatic rather than commercial, but many exchanges of gift and produces were made. The Portuguese under Vasco da Gama discovered a naval route to the Indian Ocean through the southern tip of Africa in 1497–98. Initially, the Portuguese were mainly active in Calicut, but the northern region of Gujarat was even more important for trade, and an essential intermediary in east-west trade. Venetian interests were directly threatened as
Pikes Peak Ocean to Ocean Highway Pikes Peak Ocean to Ocean Highway Pikes Peak Ocean to Ocean Highway was an early coast-to-coast highway in the United States. Begun early in 1912 the route went from New York City to Los Angeles. It was in direct competition with the Lincoln Highway and the National Old Trails Road. It route markers were marked PP-OO. It started as a boosterism campaign in Colorado Springs, and depended upon cities and towns along the route to participate with monetary contributions and road improvements. It was formalized March 18, 1914, at a meeting in St. Joseph, Missouri, with state and federal highway