The British Grenadiers is a marching song for the grenadier units of the British military, the tune of which dates from the 17th century. It is the Regimental Quick March of the Corps of Royal Engineers, Grenadier Guards, the Honourable Artillery Company and the Royal Regiment of Fusiliers. It is also an authorised march of The Royal Gibraltar Regiment, The Royal Regiment of Canadian Artillery, The Canadian Grenadier Guards, The Royal Regiment of Canada, The Princess Louise Fusiliers, and The 5th Canadian Mounted Rifles.