On December 13, 1966, Landon gave the first "Landon Lecture" at Kansas State University in Manhattan, Kansas. Landon's lecture, titled "New Challenges in International Relations" was the first in a series of public issues lectures that continues to this day and has featured numerous world Leaders and political figures, including seven U.S. Presidents (Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George H. W. Bush, Bill Clinton and George W. Bush).