R. Praggnanandhaa (born 10 August 2005) is an Indian chess grandmaster. Praggnanandhaa and his sister Vaishali are the first brother and sister to earn GM titles. His father, Rameshbabu, is a branch manager at TNSC Bank, while his mother, Nagalakshmi, is a homemaker. She supports him during national and international competitions.

Recently, Indian Grandmaster R. Praggnanandhaa clinched prestigious Tata Steel Masters 2025 title at Wijk aan Zee, Netherlands.

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The Panama Canal is an artificial waterway in Panama that connects the Atlantic and Pacific Oceans, providing a crucial maritime shortcut for global trade.

Johannes Gutenberg.

Johannes Gutenberg was a German inventor and craftsman who introduced letterpress printing to Europe with his movable-type printing press.

A plant called papyrus grew wild along the riverbanks of the Nile. The ancient Egyptians used papyrus to make paper, to build boats, to make sandals for their feet, and to make baskets to store their belongings and to carry their food. Because wood was scarce, boats were also made out of papyrus.