-
The Hay-Herrán Treaty is signed with Colombia, granting the US use of the Isthmus of Panama but the Colombian Senate refuses to accept it
-
The Colombian Liberal leader Victoriano Lorenzo refuses to accept the terms of the treaty of Wisconsin and is executed
-
The headquarters of the Panamanian newspaper El Lápiz are assaulted by orders of the military commander for Panama, General José Vásquez Cobo, brother of the Colombian Minister of War, as retaliation for publishing details of the execution and protests in Panama
-
The US informally recognises Panama as an independent state, while news of the separation only now reaches Bogotá, due to a problem with submarine cables
-
The Congress of Colombia rejects the Hay-Herrán Treaty, so the US moves to support the separatist movement in Panama to gain control over the construction of the canal
-
Demetrio H. Brid becomes the de facto President of Panama
-
Rebellion by Panamanian nationalists
-
The US formally recognises Panama as an independent state
-
The Hay-Bunau-Varilla Treaty is signed with Panama, granting the US exclusive and permanent possession of the Panama Canal Zone. Panama receives $10 million and an annuity of $250,000 beginning in 1912
-
The Treaty of Wisconsin is signed on the US warship, the Wisconsin, officially ending the thousand days' war
-
The Mallarino–Bidlack Treaty, between Colombia and the United States, pledges the United States to maintain "neutrality" in Panama