General officer brigadier general is brigadier, which is not always considered by these armies to be a general officer rank, although it is always treated as equivalent to the rank of brigadier general for comparative purposes. As a lieutenant outranks a sergeant major; confusion often arises because a lieutenant is outranked by a major. Originally the serjeant major was, exclusively, the commander of the infantry, junior only to the captain general and lieutenant general. The distinction of serjeant major general only applied after serjeant majors were introduced as a rank of field officer. Serjeant was eventually dropped from both rank titles, creating
Brigadier general rank. The rank can be traced back to the militaries of Europe where a brigadier general, or simply a brigadier, would command a brigade in the field. The rank name "général de brigade", (which translates as "brigade general"), was first used in the French revolutionary armies. In the first quarter of the 20th century, British and Commonwealth armies used the rank of brigadier general as a temporary appointment, or as an honorary appointment on retirement; in the 1920s this practice changed to the use of brigadier, which was not classed as a general officer. Some armies, such as Taiwan and