 Lear's birthplace area is now marked with a plaque at Bowman's Mews, Islington, in London, and his bicentenary during 2012 was celebrated with a variety of events, exhibitions and lectures in venues across the world including an International Owl and Pussycat Day on his birth anniversary.In 1846 Lear published "," a volume of limericks which went through three editions and helped popularize the form and the genre of literary nonsense.In 1871 he published "Nonsense Songs, Stories, Botany and Alphabets", which included his most famous nonsense song, "The Owl and the Pussycat," which he wrote for the children of his patron Edward Stanley, 13th Earl of Derby.