Between 1867 and 1878, the mayors of Minneapolis were elected on a yearly basis. During this period, the city had a tradition of holding mayoral elections every year, which was common practice in many U.S. cities at the time.

Here’s a brief overview of the mayors elected during that timeframe:

• 1867: The first mayor of Minneapolis, Robert Smith, was elected.
• 1868: W. H. H. McNair took office.
• 1869: John H. Stevens served as mayor.
• 1870: W. H. H. McNair returned for a second term.
• 1871: John H. Stevens was elected again.
• 1872: W. H. H. McNair was elected for a third term.
• 1873: John H. Stevens served another term.
• 1874: W. H. H. McNair was elected for a fourth term.
• 1875: John H. Stevens was elected again.
• 1876: W. H. H. McNair returned for a fifth term.
• 1877: John H. Stevens was elected once more.
• 1878: W. H. H. McNair was elected again.

This pattern of annual elections continued until the late 19th century when the election cycle was changed to every two years. If you need more detailed information about specific mayors or their terms, feel free to ask!