Traveller's cheques and credit cards (American Express, Visa, Mastercard) are exchanged for Vietnamese dong at the banks. Cards can be used in travel agencies, hotels, and major restaurants. US currency is exchanged for Vietnamese dong and treasury notes in banks, exchange bureaus, hotels, and jewellery shops.
Nikola Tesla designed the first hydroelectric power plant at Niagara Falls, New York which started producing electrical power in 1895. This was the beginning of the electrification of the United States and the rest of the world. Today, Teslaâs AC electricity is lighting and powering the globe.
First barrel ride down Niagara Falls. On this day in 1901, a 63-year-old schoolteacher named Annie Edson Taylor becomes the first person to take the plunge over Niagara Falls in a barrel. After her husband died in the Civil War, the New York-born Taylor moved all over the U. S. before settling in Bay City, Michigan, around 1898.