9 dated entries naming Réunion, drawn from 9 separate years between 1507 CE and 2022 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
1507February 9 – The crew of the Portuguese ship Cirne, commanded by Diogo Fernandes Pereira, become the first Europeans to sight the Indian ocean island of Réunion, and name it Santa Apolonia.source
17th century
1665July 9 – The colonization of the south Indian Ocean island Réunion begins, with Louis XIV's East India Company (Compagnie des Indes Orientales) sending 20 permanent settlers, under the command of Etienne Regnault, from the French ship Taureau.source
18th century
1721April 26 – Pirates John Taylor and Olivier Levasseur capture the 700-ton Portuguese galleon Nossa Senhora do Cabo at Réunion. The total value of treasure on board (from Goa) is estimated as between £100,000 and £875,000, one of the largest pirate hauls ever.source
19th century
1848December 20 – Slavery is abolished in Réunion (this day is celebrated every year from 1981).source
1897February 27 – The French military governor of Madagascar, Joseph Gallieni, exiles Queen Ranavalona III to Réunion, abolishing the monarchy the next day.source
20th century
1952March 15–16 – 73 inches (1,870 mm) of rain falls in Cilaos, Réunion, the most rainfall in one day up to that time.source
21st century
2002January 1 – The Euro is introduced as the official physical currency in the Eurozone countries. The first physical transactions are carried out on Réunion. The former currencies of all the countries that use the Euro cease to be legal tender on February 28.source
2015August 5 – Debris found on Réunion Island is confirmed to be that of Malaysia Airlines Flight 370, missing since March 2014.source
2022February 5 – Cyclone Batsirai kills a total of 123 people across Madagascar, Mauritius, and Réunion two weeks after Tropical Storm Ana killed 115 people in the same region.source