Black history month Crossword

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Across
  1. 2. 1954 Supreme Court case ending school segregation
  2. 5. First Black woman to hold a pilot license
  3. 6. Secret, 19th-century network for enslaved people seeking freedom
Down
  1. 1. Creator of the pre-civil rights travel guide, The Green Book
  2. 3. NASA mathematician who calculated the first crewed space flights
  3. 4. Month dedicated to celebrating African American history