Pennsylvania Lawn Tennis Championship ended in 1974.
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The first ever lawn tennis championship was the Wimbledon in 1877. It started in London and has been there every year since then.
Vancouver Lawn Tennis Club was created in 1887.
Orange Lawn Tennis Club was created in 1880.
Lawn Tennis F.C. was created on 1995-01-22.
Wimbledon Lawn Tennis Museum was created in 1977.
Tucumán Lawn Tennis Club was created in 1915.
Lawn Tennis Association of Australasia was created in 1904.
Lawn Tennis Association of Thailand was created on 1927-04-15.
Thames Ditton Lawn Tennis Club was created in 1882.
Royal Dutch Lawn Tennis Association was created on 1899-06-05.