Question: when was the first push lawn mower invented
Answer: 1830-08-31; 1830-08-31; 31 08 1830; 31 August 1830; 08/31/1830; 08 31 1830; 08-31-1830; 31-08-1830; 1830 08 31; 1830 August 31; 1830 August, 31; 31/08/1830