{"slug": "rocky-mountains", "label": "Rocky Mountains", "wikipedia": "https://en.wikipedia.org/wiki/Rocky_Mountains", "wikidata": "https://www.wikidata.org/wiki/Q5463", "qid": "Q5463", "description": "major mountain range in western North America", "entries": 6, "years": 6, "span": [1743, 1858], "span_label": ["1743 CE", "1858 CE"], "topics": [{"title": "Exploration & Expansion", "count": 4}, {"title": "Geopolitics & Diplomacy", "count": 1}, {"title": "Technology & Infrastructure", "count": 1}], "related": [{"slug": "colorado", "label": "Colorado", "shared": 1}, {"slug": "british-north-america", "label": "British North America", "shared": 1}], "items": [{"year": 1743, "year_label": "1743 CE", "section": "Exploration & Expansion", "date": "January 1", "text": "January 1 – The Verendrye brothers, probably Louis-Joseph and François de La Vérendrye, become the first white people to see the Rocky Mountains from the eastern side (the Spanish conquistadors had seen the Rockies from the west side).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1360887949#January–March", "title": "1743", "revid": 1360887949, "section": "Events › January–March"}}, {"year": 1806, "year_label": "1806 CE", "section": "Exploration & Expansion", "date": "November 15", "text": "November 15 – Pike Expedition: During his second exploratory expedition, Lieutenant Zebulon Pike sees a distant mountain peak while near the Colorado foothills of the Rocky Mountains (later named Pikes Peak in his honor).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1368311144#October–December", "title": "1806", "revid": 1368311144, "section": "Events › October–December"}}, {"year": 1818, "year_label": "1818 CE", "section": "Exploration & Expansion", "date": "October 20", "text": "October 20 – A treaty between the U.S. and the United Kingdom establishes the boundary between the U.S. and British North America as the 49th parallel, from the Lake of the Woods to the Rocky Mountains, also creating the Northwest Angle.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1373165947#October–December", "title": "1818", "revid": 1373165947, "section": "Events › October–December"}}, {"year": 1842, "year_label": "1842 CE", "section": "Geopolitics & Diplomacy", "date": "August 9", "text": "August 9 – The Webster–Ashburton Treaty is signed between the United States and United Kingdom, establishing the United States–Canada border east of the Rocky Mountains.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365455258#July–September", "title": "1842", "revid": 1365455258, "section": "Events › July–September"}}, {"year": 1846, "year_label": "1846 CE", "section": "Exploration & Expansion", "date": "June 15", "text": "June 15 – The Oregon Treaty establishes the 49th parallel as the border between the United States and Canada, from the Rocky Mountains to the Strait of Juan de Fuca.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1368342482#April–June", "title": "1846", "revid": 1368342482, "section": "Events › April–June"}}, {"year": 1858, "year_label": "1858 CE", "section": "Technology & Infrastructure", "date": null, "text": "Pike's Peak Gold Rush: Fifty-Niners stream into the Rocky Mountains of the western United States.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371625769#July–September", "title": "1858", "revid": 1371625769, "section": "Events › July–September"}}]}