Question: What year did Pietro Ferrero introduce his famous hazelnut cocoa product?

Related documents: [0]  [DOC] Ferrero SpA (] ) is an Italian manufacturer of branded chocolate and confectionery products and it is the third biggest chocolate producer and confectionery company in the world. It was founded in 1946 in Alba, Piedmont, Italy, by Pietro Ferrero, a confectioner and small-time pastry maker who laid the groundwork for Nutella and famously added hazelnut to save money on chocolate. The company saw a period of tremendous growth and success under Pietro's son Michele Ferrero, who in turn handed over the daily operations to his sons. His son Pietro (the founder's grandson), who oversaw global business, died on April 18, 2011, in a cycling accident in South Africa at the age of 47. The Ferrero Group worldwide – now headed by CEO Giovanni Ferrero – includes 38 trading companies, 18 factories, approximately 21,500 employees and produces around 365,000 tonnes of Nutella each year. Ferrero International SA's headquarters is in Luxembourg. Ferrero SpA is a private company owned by the Ferrero family and has been described as "one of the world's most secretive firms". Reputation Institute's 2009 survey ranks Ferrero as the most reputable company in the world. The recently announced financial results for the fiscal year ending August 31, 2016 showed consolidated sales growth of 8.2% from the previous fiscal year. [END] 
[1]  [DOC] Nutella ( ; ] ) is a brand of sweetened hazelnut cocoa spread manufactured by the Italian company Ferrero that was first introduced in 1965, although its first iteration dates to 1963. [END]  
Answer: 1965
1965