18th Century
- 1798
- January 4 — France annexes Mulhouse
- 1796
- Tennessee becomes the 16th state of the United States of America
- 1793
- June 25 — Avignon is transferred from the Papal States to France
- March 2 — France annexes the Principality of Salm-Salm
- 1792
- June 1 — Kentucky becomes the 15th state of the United States of America
- 1791
- March 4 — Vermont becomes the 14th state of the United States of America
- 1788
- January 26 — British colony of New South Wales is established
- 1783
- September 3 — The independence of the United States of America is recognized by Britain in the Treaty of Paris
- 1776
- July 4 — The United States of America declares its independence from the Kingdom of Great Britain
- 1768
- May 15 — Genoa sells to France its rights to Corsica
- 1763
- February 10 — The Treaty of Paris creates a number of territory transfers between Great Britain, France, and Spain. New France (Canada) now belongs to the British.
- The capital of Brazil is moved from Salvador to Rio de Janeiro
- 1762
- The Louisiana Territory is transferred from France to Spain in the Treaty of Fontainebleau
- 1752
- Georgia becomes a colony of British North America
- 1747
- Safavid Empire collapses
- October — The Durrani Empire is founded near Kandahar on a Loya jirga, when Ahmad Shah Abdali is chosen as the king of the newly independent empire. He is later regarded as the founder of modern Afghanistan.
- 1740
- Prussia annexes Silesia from Austria
- 1739
- January 1 — Jean-Baptiste Charles Bouvet de Lozier discoveres Bouvet Island in the South Atlantic Ocean
- 1728
- On Greenland (then part of Denmark-Norway), Hans Egede founds the colony of Godthåb
- 1715
- November 28 — Kingdom of Castile integrates the Kingdom of Majorca last part of the Crown of Aragon (Nowadays Països Catalans) through invasion
- 1714
- September 11 — Fall of the Crown of Aragon (Nowadays Països Catalans) invaded by Kingdom of Castile marked by the invasion of the City of Barcelona (Siege of Barcelona). Creation of a unified Kingdom of Spain through the Nueva Planta decrees.
- 1713
- Gibraltar passes from Spain to Great Britain
- 1707
- April 25 — Kingdom of Castile integrates the Kingdom of Valencia part of the Crown of Aragon (Nowadays Països Catalans) through invasion (Battle of Almansa)
- May 1 — The creation of the Kingdom of Great Britain through the Acts of Union
Read more about this topic: List Of World Map Changes