apart from the world wars, did this regiment fight in other wars?
Yes. Second Boer War
Lancashire Fusiliers
The Lancashire Fusiliers was a line infantry regiment of the British Army that saw distinguished service through many years and wars, including the Second Boer War, the First and Second World Wars, 
where did the idea of orcs come from Thomas Wright wrote, "Orcus was the name for Pluto, the god of the infernal regions, hence we can easily understand the explanation of "hel-deofol" are they fictional characters? Yes. It is a fictional humanoid monster which book do they appear in? The Lord of the Rings what is it about? Set in Middle-earth, the world at some distant time in the past, the story began as a sequel to children's book "The Hobbit", but eventually developed into a much larger work who are the other characters appearing in the movie, other than the above-mentioned monsters? UNANSWERABLE who is the author of this book? J. R. R. Tolkien did he serve in the world wars? Yes. In 1st and 2nd World War in what capacity? A temporary second lieutenant in the Lancashire Fusiliers which nation did he represent? Britain when was the battalion you just mentioned formed? 1 July 1881
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Lancashire Fusiliers [SEP] Introduction
The Lancashire Fusiliers was a line infantry regiment of the British Army that saw distinguished service through many years and wars, including the Second Boer War, the First and Second World Wars, and had many different titles throughout its 280 years of existence. In 1968 the regiment was amalgamated with the other regiments of the Fusilier Brigade–the Royal Northumberland Fusiliers, Royal Warwickshire Fusiliers and the Royal Fusiliers (City of London Regiment)–to form the current Royal Regiment of Fusiliers.