PanamaPassage

History

Complete Panama Historical Timeline

This timeline synthesises the five-hundred-year history of Panama from the first Spanish contacts of 1501 through the Mulino administration of 2026. It is organised by era (colonial (1501–1821), Colombian (1821–1903), canal-era (1903–1977), Carter-Torrijos transition (1977–1999), and post-transfer (1999–present)) and within each era lists the principal events, treaties, and institutional changes. The timeline is a navigational tool for the broader history pages in this section and is not a substitute for them: each event below is also covered in greater depth in the linked pages.

Colonial era (1501–1821)

The colonial era covers Spain’s first permanent settlement of the Isthmus of Panama through the Isthmus’s declaration of independence from Spain on 28 November 1821. The principal events:

  • 1501: Rodrigo de Bastidas sails along the Caribbean coast; first documented Spanish contact with the Isthmus.
  • 1502: Christopher Columbus, on his fourth voyage, names a Caribbean harbour Puerto Bello.
  • 1510: Vasco Núñez de Balboa stows away to Darién; co-mayor of Antigua del Darién by year’s end.
  • 1513: 25 September: Balboa sights the Pacific Ocean from the Isthmus.
  • 1514: Pedro Arias Dávila (Pedrarias) arrives as governor of Castilla del Oro.
  • 1519: January 15: Balboa is executed on Pedrarias’s orders after his 1517 trial.
  • 1519: 15 August: Pedrarias founds Panamá on the Pacific coast (the original Panamá Viejo, covered in Panamá Viejo Ruins).
  • 1521: Panamá granted official city status by royal decree.
  • 1538: Audiencia of Panama established; the third audiencia in the Americas, after Santo Domingo and Mexico.
  • 1543–1564: Audiencia of Panama suspended, re-established.
  • 1597: Portobelo founded to replace Nombre de Dios as the Caribbean-facing trade port.
  • 1671: 28 January: Henry Morgan’s force sacks Panamá Viejo. The capital is relocated west to a small peninsula.
  • 1673: Casco Viejo is laid out as the new colonial capital (covered in Casco Viejo: From Ruins to UNESCO Heritage).
  • 1717: Viceroyalty of New Granada created, including Panama.
  • 1739: Viceroyalty of New Granada formally takes effect; Panama transferred from the Viceroyalty of Peru.
  • 1751: Final Audiencia of Panama abolished; Panama administered by a single governor.
  • 1778: Reglamento de Libre Comercio opens most Spanish American ports to direct trade; Portobelo fairs effectively end.
  • 1821: 28 November: Acta de Independencia del Istmo del Panamá; Panama simultaneously declares independence from Spain and joins Gran Colombia (covered in Independence from Spain (1821)) [1] [2].

Colombian era (1821–1903)

The Colombian era covers Panama’s 82-year status as a province of Gran Colombia (1821–1831), then the Republic of New Granada (1831–1858), then the Grenadine Confederation (1858–1863), then the United States of Colombia (1863–1886), and finally the Republic of Colombia (1886–1903). The principal events:

  • 1821: 28 November: Panama joins Gran Colombia.
  • 1830–1831: Gran Colombia fractures; Venezuela and Ecuador secede; Panama remains in the remnant Republic of New Granada.
  • 1840–1841: Short-lived independent Isthmian Republic under Tomás de Herrera; reintegrated by Colombian military pressure.
  • 1850: 7 April: Panama Rail Road Company chartered by New York State (covered in The Transcontinental Railway (1850–1855)).
  • 1852: Aspinwall (Colón) incorporated as the Atlantic terminus of the railroad.
  • 1855: 28 January: First transcontinental train runs from Aspinwall to Panama City.
  • 1858: Grenadine Confederation constitution; Sovereign State of Panama established.
  • 1863: United States of Colombia federal constitution; Panama retains Sovereign State status.
  • 1885: Sovereign State of Panama abolished by centralist decree; Panama crisis of 1885, with U.S. Navy and Chilean Navy intervention.
  • 1903: 3 November: Panama declares independence from Colombia; 18 November: Hay–Bunau-Varilla Treaty signed (covered in Separation from Colombia: November 3, 1903 and The Hay–Bunau-Varilla Treaty) [2].

Canal era (1903–1977)

The canal era covers the U.S. canal-zone period from the Hay–Bunau-Varilla Treaty of 1903 through the 1977 Carter–Torrijos Treaties that committed the U.S. to transfer the canal to Panama. The principal events:

  • 1903: 18 November: Hay–Bunau-Varilla Treaty signed; 6 November: U.S. recognition of the Republic of Panama.
  • 1904: May: U.S. formally takes over canal construction; the Compagnie Nouvelle receives $40 million.
  • 1904–1914: Canal construction under John F. Wallace, John F. Stevens, and George W. Goethals; estimated 5,600 worker deaths (covered in Canal Construction Era: 1904–1914).
  • 1914: 15 August: Canal opens with the transit of the SS Ancon.
  • 1939: Canal Protection Treaty (unratified).
  • 1951: Panama Canal Company replaces the Panama Canal as the operating entity.
  • 1964: 9 January: Flag Riots / Riots of 1964: U.S. and Panamanian casualties, beginning of the renegotiation cycle.
  • 1964–1967: Three-treaty negotiations; U.S. ultimately rejects.
  • 1968: 11 October: Torrijos takes power in coup d’état (covered in The Torrijos Era (1968–1981)).
  • 1977: 7 September: Carter–Torrijos Treaties signed at the Pan American Union Building (OAS HQ), Washington, D.C..
  • 1978: 16 March: U.S. Senate passes Neutrality Treaty 68-32.
  • 1978: 18 April: U.S. Senate passes Panama Canal Treaty; September 23: Panama National Assembly ratifies treaties.
  • 1979: Treaties enter into force; Panama Canal Commission replaces Panama Canal Company (covered in The Canal Transfer Era (1990–1999)) [3] [4].

Transition era (1977–1999)

The transition era covers the period from the Carter–Torrijos Treaties of 1977 through the 31 December 1999 transfer of the canal to Panama. The principal events:

  • 1977: 7 September: Carter–Torrijos Treaties signed.
  • 1979: Treaties enter into force; Panama Canal Commission replaces Panama Canal Company.
  • 1981: 31 July: Torrijos dies in plane crash near Coclesito.
  • 1983: 12 August: Noriega becomes de facto ruler (covered in The Noriega Years (1983–1989)).
  • 1989: May: Panamanian election fraud; Endara televised beating; 16 December: Marine Paz killed; 20 December: Operation Just Cause invasion begins (covered in The US Invasion of Panama: December 1989).
  • 1989: 22 December: OAS condemns invasion; 23 December: UNSC vetoed; 29 December: UNGA Resolution 44/240 (adopted by a vote of 75-20-40) condemns invasion.
  • 1990: 3 January: Noriega surrenders; flown to Miami.
  • 1992: April: Noriega convicted in U.S. federal court.
  • 1994: Panama Canal Commission re-authorised by U.S. Congress through 31 December 1999.
  • 1997: UNESCO World Heritage Sites inscribed for Panama Viejo and Casco Viejo (covered in Panama’s Heritage Sites).
  • 1999: 31 December: Canal transfer to Panama; ACP takes over; final U.S. military units depart Canal Zone (covered in The Canal Transfer Era (1990–1999)) [4] [5].

Post-transfer era (1999–present)

The post-transfer era covers Panama’s operation of the canal and its broader political history from the 1999 transfer through the Mulino administration of June 2026. The principal events:

  • 1999: 31 December: Canal transfer to ACP.
  • 2001: 18 January: Truth Commission established by Moscoso; final report April 2002 (covered in The Noriega Years (1983–1989)).
  • 2004–2009: Martín Torrijos presidency (PRD).
  • 2005: Coiba National Park inscribed as UNESCO World Heritage Site.
  • 2006: ACP approves canal expansion programme (locks opened 2016 per PP10-005).
  • 2009: 3 May: Martinelli wins presidential election by over 60% (covered in The Martinelli Presidency and Aftermath).
  • 2016: The expanded Panama Canal’s new third set of locks (the Neopanamax locks) opens to commercial traffic, the culmination of the 2006 expansion programme; the new lane accommodates the larger Neopanamax class of container ships, which exceed the dimensions of the original 1914 locks and could not previously transit the canal.
  • 2017: 12 June: Martinelli arrested in Coral Gables.
  • 2018: 11 June: Martinelli extradited to Panama.
  • 2019: 5 May: Cortizo (PRD) wins presidential election; 1 July: takes office; 9 August: Martinelli acquitted on wiretapping charges.
  • 2022: 31 March: President Cortizo signs the decree establishing 20 December (the anniversary of the 1989 invasion) as an annual National Day of Mourning for the invasion’s victims.
  • 2023: 18 July: Martinelli convicted to 10+ years in New Business case (covered in The Martinelli Presidency and Aftermath).
  • 2024: 2 February: Supreme Court affirms Martinelli conviction; 5 May: Mulino wins 2024 election with 34.2%; 1 July: Mulino inaugurated (covered in Recent Political History (2019–2026)).
  • 2025: UNESCO inscribes the Colonial Transisthmian Route of Panamá (list ref 1582), a new cultural serial property whose component parts are Panamá Viejo, the Historic District of Panamá (Casco Viejo), the Castle of San Lorenzo, and three sections of the Camino de Cruces (covered in Panama’s Heritage Sites).

Note on what this timeline does not include: events that require post-2024 news reporting (including the 2023 drought’s specific transit-cap and toll-revenue figures, the 2024-2025 migration-flow numbers, the 2025-2026 public-debt trajectory) are explicitly not documented here. For those figures, defer to the corresponding detailed page or to current news sources rather than this page. [5] [4].

Where to take this next

This timeline is the navigational index for the broader history pages in this section. For the Spanish conquest and the founding of Panamá on the Pacific coast, see Spanish Conquest and Settlement (1510–1600). For the 1671 sacking and the founding of Casco Viejo, see Casco Viejo: From Ruins to UNESCO Heritage and Panamá Viejo Ruins. For the 1903 separation and the canal-era treaties, see Separation from Colombia: November 3, 1903 and The Hay–Bunau-Varilla Treaty. For the U.S. canal construction, see Canal Construction Era: 1904–1914. For the Carter–Torrijos Treaties and the transition to Panamanian sovereignty, see The Torrijos Era (1968–1981) and The Canal Transfer Era (1990–1999). For the 1989 invasion and its aftermath, see The US Invasion of Panama: December 1989 and The Noriega Years (1983–1989). For the most recent decade, see The Martinelli Presidency and Aftermath and Recent Political History (2019–2026). For the country’s UNESCO World Heritage Sites, see Panama’s Heritage Sites.

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