The deadline for the 18th annual Margaret Chase Smith Essay Contest is April 1. In honor of Senator Smith’s trailblazing run for the Republican presidential nomination in 1964, the theme this year is to assess the changes the United States has undergone over the past 50 years. Eight cash prizes ranging from $50 to $1,000 will be awarded. For more information, please visit the library’s website or call 207-474-7133.