History of Lieutenant in Timeline

By Popular Timelines Editorial Team · Updated: July 24, 2026

A lieutenant is a commissioned officer rank found in the military forces of many countries. The term originates from the French 'lieu tenant,' meaning 'place holder' or 'in place of,' reflecting the role of an officer who acts on behalf of a superior. In most modern armies, a first lieutenant is a junior officer who typically commands a platoon, while a second lieutenant acts as an entry-level leadership rank. The specific duties, responsibilities, and seniority of the rank vary significantly between different nations and branches of service, such as the Army, Navy, and Air Force. In naval contexts, a lieutenant is a more senior rank, often equivalent to a captain in ground forces. Regardless of the branch, the rank serves as the essential bridge between enlisted personnel and higher-level command, focusing on tactical execution and direct supervision of units in the field.

March 1914: Royal Navy Adopts Lieutenant Commander Rank

In March 1914, the Royal Navy officially adopted the rank of lieutenant commander as a distinct rank, following the precedent previously established by the United States Navy in 1862.

1915: Transition of the Revenue Cutter Service

In 1915, the United States Revenue Cutter Service became the foundation for the newly formed United States Coast Guard, leading to the eventual phasing out of the Third Lieutenant rank.

1918: End of Elmer F. Stone's Rank as Third Lieutenant

By 1918, Elmer F. Stone, recognized as the first aviator for the Coast Guard, concluded his tenure holding the rank of third lieutenant.

1948: Discontinuation of Lieutenant Rank in Scotland

In 1948, the rank of lieutenant, which had been utilized by various city and burgh police forces in Scotland since 1812, was officially abolished and replaced by the rank of chief inspector.

1995: Introduction of Lieutenant Rank in National Police

In 1995, the rank of lieutenant was established within the National Police structure, marking its designation as the inaugural rank on the police officer career scale.

1997: End of Lieutenant Rank in the Royal Newfoundland Constabulary

The Royal Newfoundland Constabulary, which had maintained the rank of lieutenant since its founding in 1871, removed the position from its organizational structure in 1997.

1999: Abolishment of the Royal Marines rank grade shift

In 1999, the British Royal Marines ended their practice of maintaining a rank structure one grade higher than the British Army, a change implemented to reduce confusion during multi-national military operations.