Ramon Llull of Majorca is significant in the history of Venn Diagrams as he is believed to be the first person to use a form of Venn Diagram in the 1200s. Although Venn Diagrams were officially created by John Venn in 1880, the roots of these diagrams can be traced back to Ramon Llull's work. His early use of these diagrams helped lay the foundation for their development and subsequent use in various fields, including business and strategic planning.
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