| << | April 1966 | >> | ||||
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| Su | Mo | Tu | We | Th | Fr | Sa | 
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| 17 | 18 | 19 | 20 | 21 | 22 | 23 | 
| 24 | 25 | 26 | 27 | 28 | 29 | 30 | 
 
  
  
  
 The following events occurred in April 1966:
 
  
  
  
  
  
  
  
  
  
  
  
  
  This article incorporates text from this source, which is in the  public domain .Brooks, Courtney G.; Ertel, Ivan D.; Newkirk, Roland W. "PART II: Apollo Application Program -August 1965 to December 1966.". SKYLAB: A CHRONOLOGY. NASA Special Publication-4011. NASA. pp. 60–61, 72–74. Retrieved 18 March 2023.
 This article incorporates text from this source, which is in the  public domain .Brooks, Courtney G.; Ertel, Ivan D.; Newkirk, Roland W. "PART II: Apollo Application Program -August 1965 to December 1966.". SKYLAB: A CHRONOLOGY. NASA Special Publication-4011. NASA. pp. 60–61, 72–74. Retrieved 18 March 2023. This article incorporates text from this source, which is in the  public domain .Grimwood, James M.; Hacker, Barton C.; Vorzimmer, Peter J. "PART III (B) Flight Tests January 1966 through February 1967". Project Gemini Technology and Operations - A Chronology. NASA Special Publication-4002. NASA . Retrieved 11 March 2023.
 This article incorporates text from this source, which is in the  public domain .Grimwood, James M.; Hacker, Barton C.; Vorzimmer, Peter J. "PART III (B) Flight Tests January 1966 through February 1967". Project Gemini Technology and Operations - A Chronology. NASA Special Publication-4002. NASA . Retrieved 11 March 2023.