Rastriya Prajatantra Party (राष्ट्रिय प्रजातन्त्र पार्टी) (RPP) was founded in Nepal in May 29, 1990 (BS 2047 Jeth 15) by the royalist panchayati leaders after the demolition of Panchayati System and restoration of democracy through People's movement of 1990. But soon after its formation, RPP got split in to two fractions led by two former Prime-Ministers Surya Bahadur Thapa and Lokendra Bahadur Chand.
1991 May 12: First legislative election held. RPP led by Chand won 3 seats and RPP led by Thapa won 1 seats in 205-seat parliament. But after the election party united again.
1991: Party had its first general convention in BS 2050 in Kathmandu. Surya Bahadur Thapa was elected as the chairman of the party, Lokendra Bahadur Chand as Party Leader and Rajeshore Devkota as Co-chairman. Padma Sundar Lawati was nominated as vice-chairman, Rabindra Nath Sharma, Pashupati Shamsher Rana and Prakash Chandra Lohani were nominated as general secretaries. Kamal Thapa became spokesman. (link)
1994 Nov 15: Second legislative election held. RPP won 20 seats making the party third largest in the 205-seat parliament. But as two largest parties CPN UML and Nepali Congress had 88 and 83 seats respectively, RPP became key partner in the government as no government was realistically possible without the help of RPP. With that virtue, two veteran RPP leaders got chance to became Prime Minister of Nepal again.
1995: Second general convention of the party held in BS 2054 in Birgunj. Surya Bahadur Thapa again elected as chairman. Prakash Chandra Lohani, Pashupati Shamsher Rana and Kamal Thapa were nominated as vice-chairman, general secretary and spokesman respectively.
1997 Mar 12: RPP leader Lokendra Bahadur Chand became Prime Minister with the help of UML and Nepal Sadbhawana Party. But in Oct 4, 1997 Chand government lost on no-confidence major raised by Nepali Congress by 94 against 107 among total 205. Some of his won party member voted against Chand.
1997 Oct 7: Surya Bahadur Thapa became prime Minister after two successive governments suffered no-confidence motions within a year and King Birendra asked Thapa to form a new coalition government. Thapa survived no confidence in Feb and lasted until April 15, 1998.
2000: Third general convention held in Pokhara in B.S. 2059 elected Pashupati Samshere Rana as chairman. Padam Sunder Lawoti, Kamal Thapa and Roshan Karki were nominated as vice-chairman, general secretary and spokes-person.
2001 June 1: Royal Massacare of Nepal
2002 Oct 4: King Gyanendra dissolved Sher Bahadur Deuba government.
2002 Oct 11: Lokendra Bahadur Chand appointed as the Prime-Minister by the King.
2003 Jun 5: Surya Bahadur Thapa appointed as the PM by the King.
2004 Jun 3: Sher B Deuba appointed as the PM by the King.
2005 Feb 1: King Gyanendra removed Deuba government and took control of the government.
2005 Mar: Surya Bahadur Thapa registered a new party Rastriya Janashakti Party as he had left the Rastriya Prajatantra Party in Nov 2004.
2006 Jan 10/11: Kamal Thapa (home minister in King's cabinet) had special general convention in Kathmandu which elected him as chairman of the party removing Pashupati Shamsher. This splinted RPP and created a new party named RPP-Nepal led by Thapa. Padma Sunder Lawoti became the vice-chairman of the party. Kamal Thapa resigned party chain in 2006 Oct.
2006 Feb 8: Municipal election conduced by the King. But as most of major parties boycotted the election turnout was very low. (link, link) RPP Nepal led by Kamal Thapa won majority of Mayors including Rajaram Shrestha(Kathmandu), Pralhad Prasad Shah Haluwai (Biratnagar), Ram Shankar Shah (Jaleswor), Sumitra Madhinne (Bhaktapur), Bimal Prasad Shrivastav (Birgunj), Bhimsen Thapa (Pokhara) etc.
2006 Nov: Prajatantrik Nepal Party led by Keshar Bahadur Bista merged into RJP which also made him general secretary of RJP.
2007 Apr: RJP dropped the term 'constitutional monarchy' from its party statue.
2008: First Constitutent Assembly election, RPP led by Pashupati Shamsher got 263,431 in FPTP system winning 0 seats but 310,214 votes in Proportional system won 8 seats. Similarly RPP Nepal got 76,684 votes in FPTP with 0 seats and 110,519 votes in proportional with 4 seats. Similarly, RJP led by Surya B Thapa got 79,925 votes (0.77%) in FPTP system, winning no seats and 102,147 votes (0.95%) in the proportional system winning three seats to the Assembly.
2008 March 2: Rabindra Nath Sharma stepped down as party chairman of RPP-Nepal. Kamal Thapa again became chairman.
2013 May : RPP and RJP united. Surya Bahadur Thapa became the new chairman of the party named RPP.
2013 Nov 19 : Second Constituent Assembly election held. RPP won 238,313 FPTP votes winning 3 seats and 260,234 proportional votes winning 10 seats whereas RPP-Nepal got 252,579 FPTP votes with 0 seats and 630,697 proportional votes with 24 seats. Totaling 37 seats.
2015 Apr 15: Surya Bahadur Thapa died.
2015 Sep 6: Lokendra Bahaudr Chand elected as the new chairman of RPP by majoriry of RPP leaders which was rejected by Chairman Pashupati Shamsher.
2016 November 21: RPP and RPP-Nepal announced their unification. New party retained the name of RPP and election symbol (cow) of RPP-Nepal. Kamal Thapa would chair the new party and its Parliamentary Party while Pashupati Shumsher would be the national Chairman.
2017 Feb: Kamal Thapa elected chairman of the united RPP in a special general convention in Kathmandu. But soon after the election Dr. Prakash Chandra Lohoni splinted and created new party RPP-Rastrabadi.
2017 Aug 6: RPP splinted again. Ex Chairman of RPP Pashupati Shamsher Rana and 19 CA members including 3 elected members Sunil Thapa, Dipak Bohora & Bikram Pandey applied to register new party in election commission named RPP-Democratic.
Related parties: RPP, RPP-Nepal, RPP-Thapa, RPP-Chand, RJP, RPP-Rastrabadi, RPP-Democratic
Related leaders: Surya Bahadur Thapa (died), Lokendra Bahadur Chand, Rajeshwor Devkota, Pashupati Shamsher JBR, Kamal Thapa, Padma Sundar Lawati, Keshar Bahadur Bista, Rabindra Nath Sharma, Dr. Prakash Chandra Lohoni, Sunil Bahadur Thapa, Dipak Bohora, Bikram Pandey, Bishwabandhu Thapa, Rajib Parajuli, Tanka Dhakal, Dr. Dhawal Shamsher Rana, Niranjan Thapa, Bishnu Bhattarai,