Scale model of Achille, sister ship of French ship Trajan (1792), on display at the Musée national de la Marine in Paris.
History
France
Name	Trajan
Namesake	Trajan
Ordered	19 October 1787
Builder	Lorient
Laid down	17 May 1790
Launched	24 January 1792
Commissioned	November 1792
Decommissioned	June 1802
Renamed	Gaulois 1797
Fate	Broken up 1805
General characteristics
Class and type	Téméraire-class ship of the line
Displacement	2966 tonnes 5260 tonnes fully loaded
Length	55.87 metres (183 ft 4 in) (172 pied)
Beam	14.90 metres (48 ft 11 in)
Draught	7.26 metres (23 ft 10 in) (22 pied)
Propulsion	Up to 2,485 m2 (26,750 sq ft) of sails
Armament	74 guns: Lower gundeck: 28 × 36-pounder long guns Upper gundeck: 30 × 18-pounder long guns Forecastle and Quarter deck: 16 × 8-pounder long guns 4 × 36-pounder carronades
Armour	Timber

Trajan was a Téméraire-class 74-gun ship of the line of the French Navy.

In 1793, Trajan was commissioned in Lorient, under captain Villaret de Joyeuse.

At the Bataille du 13 prairial an 2, along with Éole, she engaged and dismasted the British HMS Bellerophon.

In 1797, she took part in the Expédition d'Irlande, an ill-fated attempt to invade Ireland. On 17 December 1797, she was renamed Gaulois.

She was eventually broken up in 1805.

• Ships of the line