Jan Celliers

At the outbreak of the Second Boer War (Anglo-Boer War) in October 1899 he was a police officer at Krugersdorp. In this war Celliers served as a general for the districts of Lichtenburg and Marico. He became renowned for his methods of firing a gun while galloping fast on a horse,^[4] as well as silencing British cannons.^[3][5] In early 1902 he surprised with less than 500 soldiers British Colonel Stanley von Donop and his 1,000 troops who fled.^[6] In a meeting with Boer commanders on 29 May 1902 at Vereeniging, Celliers' vote was with those who proposed to stop fighting.^[7] Subsequently, he was one of the signatories of the Treaty of Vereeniging in Pretoria concluding the war on 31 May 1902.

• Breytenbach, J. H. (1977). Die Boereterugtog uit Kaapland [The Boer retreat from the Cape Colony]. Die Geskiedenis van die Tweede Vryheidsoorlog in Suid-Afrika, 1899-1902 (in Afrikaans). Vol. IV. Pretoria: Die Staatsdrukker. P. 148-149.
• Breytenbach, J. H. (1983). Die Britse Opmars tot in Pretoria [The British advance to Pretoria]. Die Geskiedenis van die Tweede Vryheidsoorlog in Suid-Afrika, 1899-1902 (in Afrikaans). Vol. V. Pretoria: Die Staatsdrukker. ISBN 9780621083606. OCLC 769254652. Pages 89 and 118.
• Grobler, J. E. H. The War Reporter: the Anglo-Boer war through the eyes of the burghers, Johannesburg: Jonathan Ball Publishers, 2004. ISBN 978-1-86842-186-2. P. 111, 131, 134, 137, 139, 141, 146, and 149.
• Strydom C (1977). "Celliers, Johannes (Jan) Gerhardus". In De Kock WJ, Krüger DW, Beyers CJ, Basson JL (eds.). Dictionary of South African Biography Vol III (1st ed.). Cape Town: Tafelberg-Uitgewers. pp. 137–138. ISBN 0624008495. OCLC 1063845175.