Colony Timeline
- December 1848
- Napoleon III elected president of France
- June 1849
- Victor Prosper Considerant exiled to Belgium
- 1852/1853
- Considerant tours parts of US including Texas, returns to Europe and publishes Au Texas, advocating a colony here.
- 26 September 1854
- Investment company Société de Colonisation Européo-Américaine established

- 3 October 1854
- Advance agent François Cantagrel leaves for US
- February 1855
- About 200 colonists sailed from New Orleans to Galveston then proceeded by the bayou to Houston and took ox wagons from there for the 6 week trip to Dallas.
- March 1855
- Advance agent François Cantagrel purchased 1,920 acres of land for the colony for $10,270.
- 26 April 1855
- Vanguard of 14 young men arrive in Dallas and begin construction of common buildings

- 16 June 1855
- About 200 colonists reach La Réunion
- September 1855
- Malaria outbreak
- 1 November 1855
- First wedding in colony: colonist Louise Dusseau and Samuel Jones from Cedar Hill area
- 29 April 1856
- Cedar Hill tornado damages La Réunion lime kiln seriously injuring the senior M. Barbier
- May 1856
- Blizzard destroys crops and freezes Trinity River
- Summer 1856
- Drought and grasshoppers ravage crops
- 6 July 1856
- Cantagrel resigns position in the colony after months of conflict with Considerant, particularly over his failure to compensate colonists who had chosen to leave the community. Considerant then worked out a deal with the colonists over withheld wages, but on the morning of July 8, before the agreement was signed, Considerant was found to have fled the colony, never to return.

- 11 August 1856
- First child born in colony: George Cretien
- Autumn 1856
- Population peaks at about 350
- 1 September 1856
- La Réunion incorporated by act of the Texas legislature
- 28 January 1857
- Allyre Bureau, founding partner and director since Considerant’s resignation, gave formal notice of the colony’s dissolution.
- 16 June 1858
- Colony lands replatted and several colonists took land in lieu of money they were owed.

Source: Jim Foster
- By 1860
- Most colonists had left the settlement
- 1861–1865
- US Civil War. Some colonists enlisted, others obtained exemption as foreign citizens
- 1880s
- Emile Remond founds Iola Cement Plant
- 1907
- Cement City formed to house workers of nearby cement plants. In 1910 the Mexican Revolution began and some of the refugees went to work in the cement plants.
- 10 April 1924
- Granite historical marker for colony installed at Westmoreland and Fort Worth Avenue (now located at north end of Stevens Park Golf Course). Possibly the second oldest historical marker in Dallas.

- 1930s
- Last La Réunion house collapses

- 1940
- Former cooperative store was being used as a barn

- 1954
- Dallas annexes area now known as West Dallas, including former colony land

