Choir Musical Preview: Sondheim on Sondheim - The 2016 choir musical will be performed on Friday and Saturday, Feb. 5 and 6, at 7:30 p.m., and Sunday, Feb. 7, at 2 p.m. in Wellin Hall, Schambach Center.
apostrophes in decades
Use an apostrophe to indicate numerals omitted. Show plural by adding "s": "She attended Hamilton in the '80s." "The 1940s marked a change on college campuses."
SOURCE: Hamilton College Editorial Style Guide