BUL founder Reverend Peter Ainslie, attended the Hague Conference on World Friendship, the first volunteer gathering of WWI warring nations. Inspired, he organized an Interracial Conference to improve racial attitudes and conditions in health and welfare.

Extensive survey of Black industrial workers conducted by Dr. Charles Johnson, prompted by the interest of Rev. Ainslie and Mr. Cary.

BUL begins work to clean up the Lung Block, referring to the area with the highest death rate of tuberculosis in Baltimore. (Pennsylvania to Druid Hill, Biddle to Present Streets).

BUL recommends widening Preston Street and paving alleys within block and mayor authorizes. Another recommendation by BUL, the construction of Preston Street Elementary School is followed despite opposition.

After multiple unsuccessful efforts to integrate AFL Trade Unions, BUL organized 200 black building craftsmen. After two years of negotiations, Local #544 of the International Brotherhood of Carpenters and Joiners Affiliated with the AFL was organized.

BUL incorporated.

BUL’s Health Committee successfully advocates for an increase in bus transportation to Henryton Hospital to 3 per day for tuberculosis patients. BUL conducts the research identifying the need in Cherry Hill for parks and playgrounds; Baltimore City Department of Recreation and Parks acquires 31 acres, 12 of which to be immediately developed as a park and playground. The Maryland Theater announces policy change and will serve theatergoers regardless of race. The Baltimore Superintendent of Public Instruction described a BUL study of clerical training “constructive interest…in the program of public education” and noted “the thoughtfulness with which you developed your recommendations.”