Five Things You Need to Know Today: Nov. 28

1. Orders Up: After months of planning, permitting and overhauling, Massachusetts Avenue. The . this afternoon.

2. Today in Public Meetings: According to the town website, public meetings posted for today include: the Retirement Board at 8 a.m. at the ; the at 3:30 p.m. at the school; the Tourism Committee at 4 p.m. in the ; the Estabrook School Access Ad Hoc Task Force at 6 p.m. at the and the site council at 7 p.m. at the school.

3. Slow Day, So Start Planning Ahead: Today may be on the slow side in terms of public meetings and events, but Friday's got a full slate as Lexington Center swings into the holiday spirit with festival events, a pops concert and a visit from Santa.

4. On This Day in History: In 1520, Ferdinand Magellan began crossing the Pacific Ocean; in 1775, the second Continental Congress established the U.S. Navy; in 1776, Washington and his troops crossed the Delaware River; in 1942, 500 died in the Cocoanut Grove nightclub fire in Boston, and, in 2010, Wikileaks released 250,000 classified documents and sensitive national security information sent by U.S. embassies.

5. Sunny, Warm and Windy: Should be partly sunny and warm, with highs of 63 and wind gusts of up to 26 miles per hour, according to the National Weather Service, which predicts patchy fog in the evening and overnight lows of 46.