1920
| Year | Date | Event |
|---|
| 1928 | March 24 | Colombia and Nicaragua signed the Esguerra-Bárcenas Treaty in Managua, Nicaragua and set the 82nd meridian west as division for islands and territorial waters. Nicaragua was during this time occupied by the United States. |
The 82nd parallel north must be close to the North Pole. Correct is 82nd Meridian West.
1930s
| Year | Date | Event |
|---|
| 1930 | May 5 | Colombia and Nicaragua exchange in Bogotá, Colombia the ratifications of the treaty. |
1940s
| Year | Date | Event |
|---|
| 1948 | April 30 | Countries of the Americas signed in Bogotá, Colombia the Pact of Bogotá which refers to peaceful solutions to conflicts among each other. Nicaragua later uses article 31 of this pact to challenge the maritime border with Colombia. |
1990s
| Year | Date | Event |
|---|
| 1999 | November 30 | The Central American country Honduras ratifies a treaty signed with Colombia delimiting borders in the Caribbean sea. Nicaragua claims that the treaty was taking some 130,000 km² of Nicaraguan continental platform. |
2000s
| Year | Date | Event |
|---|
| 2001 | December 1 | Nicaragua presents a claim at the International Court of Justice (ICJ) in The Hague, Netherlands demanding Colombia and asking the court to rule over maritime borders. |
| 2002 | July 17 | the Colombian government protested Nicaragua for calling on international oil companies to explore maritime waters that are under "their maritime territory". |
| 2003 | January 24 | Nicaragua formally protested against Colombia for publishing a map that affected the "sovereignty and national integrity" of Nicaragua. |
| 2003 | April 28 | Nicaraguan minister of foreign affairs Norman Caldera says that Nicaragua presented at the ICJ their preliminary objections. |
| 2003 | July 21 | Colombia presented to the ICJ their preliminary objections. |
| 2003 | October 29 | The President of Nicaragua Enrique Bolaños declares in Cartagena, Colombia that his country was going to accept the ICJ's resolution. |
| 2004 | January 26 | Nicaragua appeals at the ICJ to the Colombian claims. |
| 2007 | July 11 | In the first audience at the ICJ Colombia claimed that ICJ was not competent over the demand. |
| 2007 | July 12 | Nicaragua insisted that Colombia was wrong to say the ICJ didn't have jurisdiction over the case |
| 2007 | July 20 | President of Colombia Álvaro Uribe paraded with the military in San Andres Island celebrating the Independence of Colombia for the first time celebrated in the archipelago. |
| 2007 | July 31 | President of Nicaragua, Daniel Ortega disqualified the presence of Uribe in the island and the large military display. |
| 2007 | December 11 | President Ortega asked the Colombian government to accept the ICJ resolution and reiterated a peaceful solution for the conflict. He later exclaimed in the same speech that the "Nicaraguan army should be prepared" and that Colombia's politics in the Caribbean were expansionist. The Colombian government reacted calmly to this saying that Colombia had had sovereignty over the archipelago for over 200 years and said they were going to wait for the ICJ resolution. |
| 2007 | December 12 | The Colombian government reaffirmed that their posture was not about force but judicial. |
| 2007 | December 13 | the ICJ ruled competent to rule over the maritime claims however the organism said that the Esguerra-Bárcenas Treaty had already established the Colombian sovereignty over the archipelago. |
| 2007 | December 14 | President Ortega of Nicaragua stirred controversy after making remarks over the Humanitarian exchange process the Colombian government and the FARC guerrilla are undergoing to exchange hostages for prisoners. Ortega called the FARC "brothers" to free political prisoner Ingrid Betancourt and said that Betancourt death could be used to blame it on the FARC.[1] |