Govt Exams
The Sutlej River is the longest river in Rajasthan. The Chambal and Luni are also important rivers, but Sutlej is the longest in terms of its flow within Rajasthan.
The Battle of Haldighati was fought between Maharana Pratap of Mewar and Man Singh I (a Rajput general of Akbar). Though Pratap lost, he continued his resistance against Mughal rule.
Keoladeo National Park was developed by Maharaja Suraj Mal of Bharatpur in the 18th century as a hunting reserve, now a major bird sanctuary.
The Thar Desert covers approximately 60-65% of Rajasthan's total geographical area, making it one of the largest desert regions in India.
Jantar Mantar in Jaipur was inscribed as a UNESCO World Heritage Site in 2010 (not 2013, but closest option). It is an astronomical observation site built by Maharaja Sawai Jai Singh II.