Complex sentence: To commemorate his accomplishments, on 11 March 2006 the LeRoy Myers Corner street sign, on the northeast corner of 122nd Street and Manhattan Avenue in New York City, was unveiled by LeRoy's only surviving brother, Walter Myers.
Split into simpler sentences: To commemorate his accomplishments, on 11 March 2006 the LeRoy Myers Corner street sign was unveiled on the northeast corner of 122nd Street and Manhattan Avenue in New York City. The street sign was unveiled by LeRoy's only surviving brother, Walter Myers.