1. Weather: The National Weather Service predicts a warm, sunny day with a high of 80 degrees. The evening will cool off to 62 degrees. 

2. Harlow Giles Unger on John Quincy Adams: The Boston Public Library is hosting an author talk with Harlow Giles Unger about his book, “John Quincy Adams: A Life," today at the central branch from 6:30 to 7 p.m. Learn about Adams’s great struggles for law and liberty, including his fight against the so-called Gag Rule, which prevented the discussion of slavery in Congress.

3. Cashunt’s Boston Mad Dash!: The Boston Mad Dash is a multi-game scavenger hunt experience for large groups that will take you from the North End all the way to Boston Common. Eight players is the minimum amount to play. Rounds start at 12 p.m. and the cost of this event $39.99 per person. See here for more details.  

4. Massachusetts Salute to Ramadan: Commemorate Ramadan at the Nurse’s Hall of the Massachusetts State House from 3 to 4 p.m. today, hosted by the American Islamic Congress. 

5. Lecture: A Northern Confederacy?: By the fall of 1814, the opposition of New England Federalists to the War of 1812 was so vehement that the Union seemed to be in danger. Come hear this free lecture on the War of 1812 at 6:30 to 7:30 p.m. at the Old South Meeting House. See here for more details.