Question: Bankas Snoras AB was listed on a stock exchange that was established in which year ?

Context paragraphs:
Philadelphia Stock Exchange: Philadelphia Stock Exchange (PHLX), now known as NASDAQ OMX PHLX, is the oldest stock exchange in the United States.  It is now owned by The NASDAQ OMX Group.  Founded in 1790, the exchange was originally named the Board of Brokers of Philadelphia, also referred to as the Philadelphia Board of Brokers.  In 1875, the Board of Brokers changed its name to the Philadelphia Stock Exchange.  The exchange merged with the Baltimore Stock Exchange in 1949 and was named the Philadelphia-Baltimore Stock Exchange.  It merged with the Washington Stock Exchange in 1954, becoming known as the Philadelphia-Baltimore-Washington Stock Exchange (often abbreviated as PBW).  In 1969, the exchange acquired the Pittsburgh Stock Exchange.  In 2007, PHLX was purchased by NASDAQ for $652 million.

Snoras: Bankas Snoras AB or simply SNORAS (, ) was a commercial bank, founded in Lithuania operating in all three Baltic states.  It was a member of the financial group Konversbank and was listed on the NASDAQ OMX Vilnius stock exchange.  On November 16, 2011, 100% of the bank shares were nationalized by the Lithuanian government and the bank was placed into temporary administration.  On November 24, the bank was declared bankrupt.  It had 4 billion litas in debt.

San Francisco Stock and Bond Exchange: The San Francisco Stock and Bond Exchange was a regional stock exchange based in San Francisco, California, United States.  Founded in 1882, in 1928 the exchange purchased and began using the name San Francisco Stock Exchange, while the old San Francisco Stock Exchange was renamed the San Francisco Mining Exchange.  The San Francisco Curb Exchange was absorbed by the San Francisco Stock Exchange in 1938.  In 1956 the San Francisco Stock Exchange merged with the Los Angeles Oil Exchange to create the Pacific Coast Stock Exchange.

Nasdaq, Inc.: Nasdaq, Inc. is an American multinational financial services corporation that owns and operates (and is listed on) the NASDAQ (formerly National Association of Securities Dealers Automated Quotations) stock market and eight European stock exchanges, namely Armenian Stock Exchange, Copenhagen Stock Exchange, Helsinki Stock Exchange, Iceland Stock Exchange, Riga Stock Exchange, Stockholm Stock Exchange, Tallinn Stock Exchange, and NASDAQ OMX Vilnius.  It is headquartered in New York City, and its president and chief executive officer is Adena Friedman.

Nigerian Stock Exchange: The Nigerian Stock Exchange (NSE) was established in 1960 as the Lagos Stock Exchange.  In 1977, its name was changed from the Lagos Stock Exchange to the Nigerian Stock Exchange.  As at March 7, 2017, it has 176 listed companies with a total market capitalization of about N8.5 trillion.  All listings are included in the Nigerian Stock Exchange All Shares index.  In terms of market capitalization, the Nigerian Stock Exchange is the third largest stock exchange in Africa.

Dundee Stock Exchange: The Dundee Stock Exchange was established in 1879.  In 1964, it merged into the Scottish Stock Exchange along with the Glasgow Stock Exchange, Edinburgh Stock Exchange, and Aberdeen Stock Exchange.  It continued to operate as a local branch until 1971, when the local exchanges closed completely.  By 1973, the Scottish Stock Exchange had merged into the London Stock Exchange.

Madras Stock Exchange: Madras Stock Exchange (MSE) is a stock exchange in Chennai, India.  The MSE is the fourth stock exchange to be established in the country and the first in South India.  It had a turnover (2001) of 3,090 crore ($950 million), but is a fraction (below 3.5 per cent) of the turnover generated by the Bombay Stock Exchange and National Stock Exchange of India. The turnover of the stock exchange was 19,907 Crore as of the financial year 2012.  It is one of the four stock exchanges in India to have permanent recognition by market regulator SEBI.

Karachi Stock Exchange: The Karachi Stock Exchange Limited (KSE), was a stock exchange located at the Stock Exchange Building (SEB) on Stock Exchange Road, in the heart of Karachi's Business District, I. I. Chundrigar Road, Karachi, Sindh Province of Pakistan.  It is now incorporated in the Pakistan Stock Exchange along with the other two bourses of Pakistan, the Lahore Stock Exchange and the Islamabad Stock Exchange It is Pakistan's largest and one of the oldest stock exchange in South Asia by market capitalization, with many Pakistani consortium as well as overseas enterprises listings.

NASDAQ OMX Vilnius: The NASDAQ OMX Vilnius Stock Exchange is a stock exchange established in 1993 ("Vilnius Stock Exchange", "VSE") operating in Vilnius, Lithuania.  It is owned by NASDAQ OMX Group, which also operates Helsinki Stock Exchange and Stockholm Stock Exchange.

NEX Stock Exchange: The New Securities Stock Exchange or NEX Stock Exchange (NEX) was a stock exchange located in Podgorica, Montenegro.  The NEX Stock Exchange was founded 2001.  It was one of two principal stock exchanges in Montenegro, the other being the Montenegro Stock Exchange, also in Podgorica.  In January 2010, stockholders in NEX approved a merger with the Montenegro Stock Exchange, initially expected to take place within two to three months.  However, the two were technically merged as of 31 December 2010, with their systems jointly operating since 10 January 2011.  Thus, NEX Stock Exchange ceased to exist as a legal subject.  The merger consolidated and simplified securities trading in Montenegro.

Supporting paragraphs: Snoras NASDAQ OMX Vilnius
Answer: 1993