July 1, 1938: NABT is founded. 
October 1938: Volume 1, Number 1 of The American Biology Teacher is published. 
October 1938: NABT dues $1.00. 
December 28, 1938: The First Annual Association Meeting is held as part of the AAAS meetings in Richmond, Virginia. The Executive Committee Meeting is held on December 21, 1938. 
February 1939: February issue of ABT lists the nominations for officers for NABT: 
 President Elect: 
 G. Jeffers, Farmville, Virginia 
 J. A. Trent, Pittsburgh, Kansas 
March 1939: March 1939 issue of ABT prints reports from New England Biological Association, Northern Indiana Biology Teachers, Kansas Unit, Biology Teachers Club of Southeastern Pennsylvania, Chicago Biology Round Table, and Detroit Biology Club. 
April 1939: NABT reveals a plan to develop a process to evaluate biology textbooks. 
May 1939: M. C. Lichtenwalter steps down as the first president of NABT, to be followed by George W. Jeffers, who was elected in February 1939. 
October 1939: In the October issue of ABT, President Jeffers announces that NABT has “identified itself prominently with the National Committee on Science Teaching of the National Education Association (NEA) in developing a complete science program for grades one to fourteen.” NABT also participates in a meeting of the Columbia Workshop and the Progressive Education Association. 
December 28, 1939: NABT holds its Second Annual Convention in Columbus, Ohio, in conjunction with the AAAS. 
December 1939: Financial report reveals that NABT has a bank balance in its accounts of $236.94. 
December 1939: NABT members are asked to participate in a survey for the committee on the Teaching of Biology. 
July 1, 1938: NABT is founded. 
October 1938: Volume 1, Number 1 of The American Biology Teacher is published. 
October 1938: NABT dues $1.00. 
December 28, 1938: The First Annual Association Meeting is held as part of the AAAS meetings in Richmond, Virginia. The Executive Committee Meeting is held on December 21, 1938. 
February 1939: February issue of ABT lists the nominations for officers for NABT: 
 President Elect: 
 G. Jeffers, Farmville, Virginia 
 J. A. Trent, Pittsburgh, Kansas 
March 1939: March 1939 issue of ABT prints reports from New England Biological Association, Northern Indiana Biology Teachers, Kansas Unit, Biology Teachers Club of Southeastern Pennsylvania, Chicago Biology Round Table, and Detroit Biology Club. 
April 1939: NABT reveals a plan to develop a process to evaluate biology textbooks. 
May 1939: M. C. Lichtenwalter steps down as the first president of NABT, to be followed by George W. Jeffers, who was elected in February 1939. 
October 1939: In the October issue of ABT, President Jeffers announces that NABT has “identified itself prominently with the National Committee on Science Teaching of the National Education Association (NEA) in developing a complete science program for grades one to fourteen.” NABT also participates in a meeting of the Columbia Workshop and the Progressive Education Association. 
December 28, 1939: NABT holds its Second Annual Convention in Columbus, Ohio, in conjunction with the AAAS. 
December 1939: Financial report reveals that NABT has a bank balance in its accounts of $236.94. 
December 1939: NABT members are asked to participate in a survey for the committee on the Teaching of Biology.