<Tr> <Th> Closed </Th> <Td> 1890 </Td> </Tr> <Tr> <Th> Demolished </Th> <Td> 1890 </Td> </Tr> <P> Madison Square Garden was an arena in New York City located on the northeast corner of East 26th Street and Madison Avenue in Manhattan . The first venue to use that name had a seating capacity of 10,000 spectators . It operated from 1879 to 1890, when it was replaced with a new building on the same site . </P> <P> The site upon which Madison Square Garden was eventually established was originally occupied by a small passenger depot of the New York and Harlem Railroad . The site was vacated by the railroad in 1871 when it moved operations uptown to 42nd Street . The site was vacant until 1874 when it was leased to P.T. Barnum who converted it into an open oval arena 270 feet (82 m) long, with seats and benches in banks, which he named the Great Roman Hippodrome where he presented circuses and other performances . The roofless building was also called Barnum's Monster Classical and Geological Hippodrome and measured 420 feet (130 m) by 200 feet (61 m). </P>

Why do they call it madison square garden