Trial of Watergate burglars began in Washington, DC.

NBC presented the 440th and final showing of "Bonanza."

Public Health Service linked smoking to fetal and infant risks.

Top hits included: "Crocodile Rock" by Elton John; "You're So Vain" by Carly Simon; "Do It Again" by Steely Dan; "(Old Dogs, Children and) Watermelon Wine" by Tom T. Hall.

View the 35 Years of Service Awards:

35 Years Cross Townsend Pen/Pencil Set
35 Years Lady's Semi-Precious Stones Necklace
35 Years Seth Thomas Desk Clock
35 Years Man's Stainless Steal Cuff Bracelet
35 Years Brass & Leather Coaster Set
35 Years Citizens Lady's Dress Watch
35 Years Man's Citizen Dress Watch
35 Years Lady's 14K Double Link Bracelet