Boston Courier (second) is first published.

It is published by Joseph Cunningham from various locations including 10 and 22 Congress Street and the basement of the Old State House. The second successful daily newspaper in Boston, it takes a conservative, pro-business position on most issues. It becomes the Boston Daily Courier in 1851, the Boston Evening Courier in January 1865, and the Daily Evening Commercial a year later. It ceases publication as a daily paper at the end of 1866, and continues as a Sunday literary newspaper” into the 1890s.