5 Things To Know Today: May 9

History At Mohr: Did you know that it's been 142 years since the Transcontinental Railroad was completed? If not, go to Marian J. Library at 3 p.m. for the next installment of their On This Day In History program to learn more about it; if so, go to the library and show off your knowledge of history. For middle and high school students.

Johnston Council Meets: The Johnston Town Council is scheduled to meet tonight at 7 p.m. at the Municipal Court on Atwood Avenue. Watch JohnstonPatch for coverage, before and after the meeting.

Calling Tri-Athletes: Today is the last day to sign up for the Cranston YMCA's Indoor Triathlon, scheduled for May 15. Swim, bike, and run for 20 minutes each and put up your score against other Iron People (we're equal opportunity, you know). Fee is $15 for Y members, $25 for non-members, and all participants receive a cool t-shirt.

For The Young Scientists: The Museum of Natural History and Planetarium at Roger Williams Park is hosting a Discovery Fun Zone at 3:45 p.m. Kids in kindergarten through grade 2 can learn about "magnificent mammals" during today's program. This is a drop-off program. Registration required.

Navy Relocates: On this date in 1862, the U.S. Naval Academy moved from its previous base in Annapolis, Maryland, to Newport, where it remains to this day. (from brainyhistory.com)