Muir was knighted in 1910, four years after he had reworked his 1890 publication to become Volume 1 of History of determinants which covered the origins to Leibniz in 1840.
Muir ay knighted sa 1910, apat na taon matapos niya reworked kanyang 1890 publikasyon na maging Volume 1 ng Kasaysayan ng determinants na sakop ang pinanggalingan sa Leibniz sa 1840.