Until the reign of King Sai Setthathirat, the Lan Xang kingdom was based in Luang Phrabang, after which the royal seat moved to Vientiane. In 1707 Lang Xang split into the separate kingdoms of Vientiane, Luang Phrabang and Champasak.

Kings of Luang Phrabang (1707-1946)

When the kingdom split,the Luang Phrabang monarchy was so weak that it was forced to pay tribute to various times to the Siamese,Burmese and Vietnamese,After a particularly desructiv attack by the Black Flag wing of the Chinese Haw in 1887,the kingdom of Luang Phrabang chose to accept French protection.

• 1707 - 1713: Kitsarat
• 1713 - 1723: Ong Kham
• 1723 - 1749: Inta Som
• 1749 - 1749: Inthapom
• 1750 - 1771: Sotika Kuman
• 1771 - 1791: Surinyavong
• 1791 - 1795: Interregnum
• 1795 - 1816: Anurut
• 1817 - 1836: Manthaturat
• 1836 - 1851: Sukaseum
• 1851 - 1872: Tiantha

Monarch		Birth	Marriages	Death
King Oun Kham 15 December 1872 – 1887		1811 Luang Phrabang son of Manthaturath	Queen Khamone 6 children	15 December 1895 Luang Phrabang aged 84
1887 - 1894		interregnum
King Zakarine 15 December 1895–1904		16 July 1840 Luang Phrabang son of Oun Kham and Khamone	7 wives 14 children	24 March 1904 Luang Phrabang aged 64
King Sisavang Vong 28 April 1904–1945		14 July 1885 Luang Phrabang son of Zakarine and Thongsy	15 wives 50 children	29 October 1959 Royal Palace aged 74

An interregnum is a period between monarchs, between popes of the Roman Catholic Church, emperors of Holy Roman Empire, polish kings (elective monarchy) or between consuls of the Roman Republic. ... Oun Kham (1811 - December 15, 1895)was King of Luang Prabang during 1870-1895[1], his reign ended with the establishment of a French protectorate over Laos. ... December 15 is the 349th day of the year (350th in leap years) in the Gregorian calendar. ... 1872 (MDCCCLXXII) was a leap year starting on Monday (see link for calendar) of the Gregorian calendar or a leap year starting on Wednesday of the 12-day-slower Julian calendar. ... 1887 (MDCCCLXXXVII) is a common year starting on Saturday (click on link for calendar) of the Gregorian calendar or a common year starting on Monday of the Julian calendar. ... 1811 was a common year starting on Tuesday (see link for calendar). ... Royal palace museum of Luang Prabang. ... December 15 is the 349th day of the year (350th in leap years) in the Gregorian calendar. ... 1895 (MDCCCXCV) was a common year starting on Tuesday (see link for calendar) of the Gregorian calendar (or a common year starting on Thursday of the 12-day-slower Julian calendar). ... Royal palace museum of Luang Prabang. ... 1887 (MDCCCLXXXVII) is a common year starting on Saturday (click on link for calendar) of the Gregorian calendar or a common year starting on Monday of the Julian calendar. ... 1894 (MDCCCXCIV) was a common year starting on Monday (see link for calendar). ... An interregnum is a period between monarchs, between popes of the Roman Catholic Church, emperors of Holy Roman Empire, polish kings (elective monarchy) or between consuls of the Roman Republic. ... King Zakarine, also known as Sakkarin, Sakharine, Sackarine, Zackarine, and Zacharine (originally Kham Souk) (1840 March 25, 1904) was the King of Luang Prabang 1894-1904. ... December 15 is the 349th day of the year (350th in leap years) in the Gregorian calendar. ... 1895 (MDCCCXCV) was a common year starting on Tuesday (see link for calendar) of the Gregorian calendar (or a common year starting on Thursday of the 12-day-slower Julian calendar). ... Year 1904 (MCMIV) was a leap year starting on a Friday (see link for calendar). ... July 16 is the 197th day (198th in leap years) of the year in the Gregorian Calendar, with 168 days remaining. ... 1840 is a leap year starting on Wednesday (link will take you to calendar). ... Royal palace museum of Luang Prabang. ... Oun Kham (1811 - December 15, 1895)was King of Luang Prabang during 1870-1895[1], his reign ended with the establishment of a French protectorate over Laos. ... March 24 is the 83rd day of the year in the Gregorian Calendar (84th in leap years). ... Year 1904 (MCMIV) was a leap year starting on a Friday (see link for calendar). ... Royal palace museum of Luang Prabang. ... Statue of Sīsavāngvong, King of Luang Phrabāng 1904-46, King of Laos 1946-59 (Grounds of the Royal Palace Museum, Luang Phrabāng) King Sisavang Vong (November 1885 - 1959) was born at Luang Prabang, Laos on July 14, 1885. ... April 28 is the 118th day of the year (119th in leap years) in the Gregorian Calendar, with 247 days remaining. ... Year 1904 (MCMIV) was a leap year starting on a Friday (see link for calendar). ... Year 1945 (MCMXLV) was a common year starting on Monday (the link is to a full 1945 calendar). ... July 14 is the 195th day (196th in leap years) of the year in the Gregorian Calendar, with 170 days remaining. ... 1885 (MDCCCLXXXV) is a common year starting on Thursday of the Gregorian calendar (or a common year starting on Saturday of the 12-day slower Julian calendar). ... Royal palace museum of Luang Prabang. ... King Zakarine, also known as Sakkarin, Sakharine, Sackarine, Zackarine, and Zacharine (originally Kham Souk) (1840 March 25, 1904) was the King of Luang Prabang 1894-1904. ... October 29 is the 302nd day of the year (303rd in leap years) in the Gregorian calendar. ... Year 1959 (MCMLIX) was a common year starting on Thursday of the Gregorian calendar. ... The Royal Palace (offical name Haw Kham) in Luang Prabang, Laos was built in 1904 during the French colonial era for King Sisavang Vong and his family. ...

Kingdom of Laos (1946-1975)

This is the first time that a Lao monarch has ruled over Laos as a whole state

Monarch		Birth	Marriages	Death
King Sisavang Vong 23 April 1946–1959		14 July 1885 Luang Phrabang son of Zakarine and Thongsy	15 wives 50 children	29 October 1959 Royal Palace aged 74
King Savang Vatthana 29 October 1959–1975		13 November 1907 Luang Phrabang son of Sisavang Vong and Kham-Oun I	Queen Khamphoui Luang Phrabang 7 August 1930 5 children	13 May 1978 or 1984 Sam Neua aged 77