| 1899 | | West Kootenay Power doubles the generating capacity of its No. 1 Plant at Lower Bonnington. |
| 1899 | | CNP Coal begins operations at Michel, BC. |
| 1899 | | CPR lays in a BC Southern siding to establish Yahk, BC. |
| 1899 | | Limestone mining begins on the Fife property near Christina Lake, BC. |
| 1899 | | Some 7400 Doukhobors arrive in Canada and begin settling in the District of Saskatchewan, N-WT. |
| 1899 | | GN working on railbed of Kaslo and Lardo-Duncan Railway. Work abandoned in 1901 when railbed complete from Lardeau to Duncan. |
| 1899 | | The Yellowstone claim on Sheep Creek near Salmo was registered. |
| 1899 | | I.R. 147B, N-WT: The Piikani begin operating a sawmill on their timber reserve in the Porcupine Hills, No. 147B. |
| 1899 | | B.C.: The No. 7 Mining Company, Limited, of New York, buys the No. 7 property. |
| 1899 | | Grand Forks, BC: Sacred Heart Church opens. |
| 1899 | | Pincher Creek, N-WT.: Union Bank opens a branch. |
| 1899 | | B.C. Election: By-election brings W.C. Wells to Victoria as MPP for the North East riding of the Kootenay Electoral District. |
| 1899 | | The Dominion Copper Company acquires the Brooklyn Group on Phœnix Mountain in BC. |
| 1899 | | B.C.: The Jewel Development Syndicate of London reorganized as Jewel Gold Mines, Limited, to work the Jewel and the Denoro Grande near Eholt. |
| 1899 | | B.C.: Vermilion Forks Mining and Development Company buys lot 706 upon which Princeton is built. |
| 1899 | | Revelstoke, B.C.: The abandoned British Columbia (formerly, Kootenay) Smelting and Trading Syndicate smelter washed away. |
| 1899 | | Okanagan Falls, B.C.: The sternwheeler Greenwood burns and sinks. |
| 1899 | | B.C.: Department of Mines created. |
| 1899 | | District of Alberta, N-WT.: Wm. Aldridge stakes petroleum leases on Cameron Creek. |
| 1899 | | District of Alberta, N-WT.: Crowsnest River bridged just up-stream from its confluence with the Oldman, near what is now Cowley, AB. |
| 1899 | | B.C.: The Fairview Amalgamated Gold Mining Company succeeded by the Fairview Corporation, Limited, on the Stemwinder and Morning Star properties at Fairview. |
| 1899 | | B.C.: The Cariboo Consolidated Gold Mining Company reorganized as the Cariboo-McKinney Gold Mining and Milling Company, Limited. |
| 1899 | | J.P. Graves and S.H.C. Miner form the Granby Consolidated Mining, Smelting and Power Company. |
| 1899 | | B.C.: CPR completes the North Star branch from Cranbrook to Kimberley. |
| 1899 | | B.C.: Kootenay Mining and Smelting defaults on its debts and the Bank of Montreal assumes ownership of the Bluebell and the Pilot Bay smelter. |
| 1899 | | B.C.: CPR completes Rossland’s first station. |
| 1899 | | B.C.: C.P. Hill bonds his 20 iron properties near Kitchener to the London and British Columbia Gold Fields Company, Limited. |
| 1899 | | Trail, B.C.: CP installs an experimental lead furnace in smelter. |
| 1899 | | Gooderham-Blackstock syndicate of Toronto buys two/thirds of the St. Eugene group ay Moyie, BC. |
| 1899 | | Moyie, B.C.: Joseph Niederstadt builds brewery. |
| 1899 | | Macleod, N-WT.: Macleod Telephone Co. incorporated. |
| 1899 | | N-WT: Mormons found Sterling. |
| 1899 | | N-WT: Mormons found Magrath. |
| 1899 | Circa | Great Britain: The British Columbia (Rossland and Slocan) Syndicate, Limited, organized to buy up the Snowshoe Group. |
| 1899 | January | B.C.: Nearly 200 claims how registered in the Mark Creek area around Kimberley. |
| 1899 | Jan. 1 | Kootenay Railway & Navigation acquired the International Navigation & Trading Co. and the Kaslo and Slocan Railway. |
| 1899 | Jan. 13 | Canada: Having amalgamated the Winnipeg Great Northern Railway Company and the Lake Manitoba Railway and Canal Company, William Mackenzie and Donald Mann incorporate the Canadian Northern Railway (CNoR). |
| 1899 | Jan. 14 | Fernie, B.C.: The Fernie Free Press begins publication. |
| 1899 | February | WA: Le Roi M&S of Spokane sells Northport smelter operations and associated assets to the Northport Mining and Smelting Company of Spokane, WA. |
| 1899 | Feb. 10 | N-WT: Town of Lethbridge elevated to status of “chief port.” |
| 1899 | Feb. 27 | B.C., political: An amendment to provincial Inspection of Metaliferous Mines Act, 1897, received royal assent, limiting underground miners’ hours to 8 hours per day. |
| 1899 | Feb. 27 | Nelson, B.C.: CPR launches Ymir (70 tons). Withdrawn in 1929. |
| 1899 | March | B.C.: Fernie school board organized. |
| 1899 | Mar. 1 | Revelstoke, B.C., incorporated as a City. |
| 1899 | Mar. 4 | B.C.: First rail shipment of St. Eugene ore leaves Aldridge near Moyie. |
| 1899 | Mar. 15 | Fernie, B.C.: Board of Trade organized. |
| 1899 | May 16 | Granby Consolidated Mining and Smelting Company, Limited, announces its intent to build its smelter at Grand Forks. |
| 1899 | May 19 | Rossland, B.C.: Four die in elevator accident in War Eagle mine. |
| 1899 | April | Kimberley, B.C.: Jim Carroll opens store. |
| 1899 | Apr. 29 | The Dominion Copper Company, Limited (DCC), incorporated in Toronto by senator G.A. Cox et al including Mackenzie, Mann and Company of Toronto. |
| 1899 | June | Hedley, B.C.: M.K. Rodgers buys the Nickel Plate and other claims on Nickel Plate Mountain for Marcus Daly. |
| 1899 | June | MT: Gwendoline falls from a Great Northern flatcar and smashed in the gorge of Kootenai Falls. |
| 1899 | June 3 | First miners’ strike at CNP Coal. Hours of work and tonnages. |
| 1899 | June 12 | Monday: W.C. Van Horne resigns as president of CPR in favour of T.G. Shaughnessy. Van Horne continues to serve as Chairman of the Board of Directors. |
| 1899 | June 13 | Wardner, B.C., de-certified as a Port of Entry, the offices being transferred to Fernie. |
| 1899 | June 15 | CP finishes converting the Columbia & Western’s “Trail Creek Tramway” to standard gauge. |
| 1899 | June 21 | Treaty 8 signed at Lesser Slave Lake by representatives of HRH Victoria and the Chipewayan, Newiyawak/Cree, Beaver and Athapascan. |
| 1899 | Summer | George Cahill stakes the Mascot Fraction on Nickel Plate Mountain for Duncan Woods. |
| 1899 | June 23 | Four die in blast in War Eagle mine, Rossland. |
| 1899 | July | Northwest Elevator Association formed. |
| 1899 | July 10 | Federal: 62-63 Victoria Chapter 93, “An Act respecting the Alberta Irrigation Company, and to change its name to the Canadian North-west Irrigation Company” receives royal assent. |
| 1899 | July 12 | The eight hour work day for underground miners implemented province-wide in B.C. |
| 1899 | July 17 | Rossland, B.C.: CP opens the C&W Railway station. |
| 1899 | July 26 | Creston, B.C.: Anglicans hold first official church service. |
| 1899 | Aug. 1 | Rossland local of the Western Federation of Miners bans contract mining. |
| 1899 | Aug. 1 | Elko, B.C.: Postal bureau opened; Mrs. Holbrook, post mistress. |
| 1899 | Aug. 3 | Greenwood, B.C.: Major fire in the business district. |
| 1899 | Aug. 5 | T.J. Kruger dies at Osoyoos (1829). |
| 1899 | Aug. 12 | Cascade, B.C..: First train arrives on the C&W. |
| 1899 | September | Fernie. B.C.: First school classes given, in Joyce’s Hall. |
| 1899 | Sep. 14 | CPR receives from the contractors the Castlegar-Grand Forks portion of the Columbia and Western. |
| 1899 | Sep. 15 | Joseph C. Hooker buys 400 Crown-held acres along the Bull River canyon preparatory to generating electricity. |
| 1899 | Sep. 18 | First scheduled C&W train into Columbia (Grand Forks). |
| 1899 | Sep. 23 | Regular passenger service extended to Columbia (Grand Forks). |
| 1899 | Sep. 30 | Most of Cascade City burns. |
| 1899 | Oct. 4 | Nelson Electric Tramway Company incorporated by the British Electric Traction Company. |
| 1899 | Oct. 10 | School at Wardner, B.C., closed. |
| 1899 | Oct. 11 | First shipment of ore carried on the C&W, from City of Paris mine at White’s Camp to CP’s smelter at Trail, BC. |
| 1899 | Oct. 21 | C&W steel to Greenwood, BC. |
| 1899 | Nov. 15 | “the Springs,” N-WT, renamed “Blairmore.” |
| 1899 | Nov. 25 | C&W extends regular passenger service to Greenwood, BC. |
| 1899 | December | C&W steel to Midway, BC. |
| 1899 | December | Moyie, B.C.: James Wilkes of the Western Federation of Miners arrives to organize St. Eugene miners. |
| 1899 | December | Nelson, B.C.: The City buys the Nelson Electric Light Company. |
| 1899 | Dec. 1 | Kimberley, B.C.: Chas. Estmere opens local postal bureau. |
| 1899 | Dec. 18 | Rossland, B.C.: District 6 of the Western Federation of Miners formed as an intermediary between the B.C. locals and the Union executive in the U.S.A. |
| 1899 | Dec. 23 | Nelson, B.C.: Nelson Electric Tramway begins operations. |
| 1899 | Dec. 31 | B.C.: British Columbia Smelting and Refining Company removed from the Register of Companies. |
| 1899 | End | C.S. McRae and Donald McLaren pre-empt adjacent 320 acre homesteads near the Mother Lode property in the Deadwood Creek’s valley and lay out Deadwood townsite. |
| 1900 | | J.J. Hill incorporates the Washington and Great Northern Railway. |
| 1900 | | Nelson, B.C.: CPR launches the tug Procter (43 tons). Sold 1917. |
| 1900 | | Kimberley, B.C.: CPR pushes North Star Branch a couple of miles further up the Mark Creek valley to the Sullivan mine site. |
| 1900 | | Midway, BC.: Midway Hotel completed. |
| 1900 | | B.C.: Andrew Rosen settles in what is now the Jaffray area. |
| 1900 | | Marysville, B.C.: Al. Bales opens the Marysville Hotel. |
| 1900 | | East Kootenay, B.C.: Robert S. Elmsley buys 200 acres in the core of modern Jaffray for $200. |
| 1900 | | Blairmore, N-WT.: H.E. Lyon opens settlement’s first store. |
| 1900 | | Winnipeg Hotel raised in Grand Forks, BC. |
| 1900 | | Cowley, N-WT.: Multi-denominational Protestant church raised. |
| 1900 | | Samuel. W. Gebo examines coal measures at “Livingstone” siding, N-WT (now Burmis, AB). Decides not to develop a mine and joins Henry Lupin Frank in developing mine at Frank, N-WT. |
| 1900 | | Head tax imposed on Chinese immigrants entering Canada doubled to $100. |
| 1900 | | Colonel James Baker retires to England. |
| 1900 | | Kimberley, B.C.: School. Miss Mary Jacks. |
| 1900 | | B.C.: The Yellowstone mine on Sheep Creek near Salmo installs a 10-stamp mill. Mine exhausted by 1902 and mill quits. |
| 1900 | | M.K. Rodgers and the Marcus Daly estate incorporate the Yale Mining Company to buy up the mining claims on Nickel Plate Mountain. |
| 1900 | | U.S.A.: Adopts the Gold Standard Act. Price of silver plummets. |
| 1900 | | G.A. Cox replaced Colonel Baker as president of CNP Coal. |
| 1900 | | B.C.: Hedley City Townsite Company lays out Hedley townsite during the summer and fall. |
| 1900 | | Fairview, B.C.: Fairview Amalgamated Gold Mining Company suspends operations at the Stemwinder and the Morning Star properties. Bought up by the Gooderham-Blackstock Syndicate of Toronto which forms the New Fairview Corporation to work the mines. |
| 1900 | | Cranbrook, B.C.: Sisters of Providence open St. Eugene’s Hospital. |
| 1900 | | Midway, B.C.: B.C. Police barracks completed. |
| 1900 | | B.C.: B. Richard Atkins’ population estimates for communities in BC: Rossland, 8,000; Nelson, 5500; Fernie, 2500; Kaslo, 1550; Trail, 1500; Cranbrook, 1400; Ymit, 600; Ft. Steele, 425. |
| 1900 | Circa | Christina Lake, B.C.: Eli LaValley builds first hotel on the Lake. |
| 1900 | January | District of Alberta, N-WT: Recruitment to man the 2nd Battalion of the Canadian Mounted Rifles. |
| 1900 | Jan. 1 | Tuesday. |
| 1900 | Jan. 1 | Nelson, B.C.: Official opening of new CPR Station. |
| 1900 | Jan. 1 | Lethbridge, N-WT: N-WMP Corporal Thos. Lewis resigns as Town constable. |
| 1900 | February | District of Alberta, N-WT: Recruitment to man Strathcona’s Horse. Sam Steele commanding. |
| 1900 | Feb. 6 | Rossland, B.C.: Western Federation of Miners locked out of the War Eagle and Center Star mines in a dispute over contract mining. |
| 1900 | Feb. 14 | B.C.: Bulldog tunnel opened at Farron Hill; C&W complete. |
| 1900 | Feb. 17 | B.C.: International Navigation and Trading Company launches Argenta (206 tons) at Mirror Lake Yards near Kaslo. |
| 1900 | Feb. 27 | B.C. political: Election. C.A. Semlin dismissed and Joseph Martin installed as conservative premier of B.C. E.C. Smith replaces Baker in the South East Riding of the Kootenay Electoral District, W.C. Wells re-elected to the North East. |
| 1900 | March | Midway, B.C.: The Columbia and Western Railway builds its station. |
| 1900 | Mar. 1 | Contractors turn over the Grand Forks-Midway portion of the Columbia and Western to the CPR. |
| 1900 | Mar. 1 | CNP Coal announces that it would apply to Ottawa for a charter for the Kootenay Lake Railway to connect the Pass to the GN mainline at Jennings, Montana. |
| 1900 | Mar. 12 | B.C.: Western Federation of Miners locked out of the Le Roi mine in a dispute over contact mining. |
| 1900 | Mar. 20 | B.C.: Settlement of Kuskonook burns. |
| 1900 | Spring | Bedlington and Nelson Railway receives B.C. charter. Begins construction immediately. |
| 1900 | April | Moyie, B.C.: The St. Eugene Consolidated Mining Company completes its concentrator at Aldridge near Moyie. |
| 1900 | Easter | Fernie, B.C.: First R.C. church inaugurated. |
| 1900 | Apr. 1 | Cowley, N-WT.: Post Office opens a bureau in Davidson’s store. |
| 1900 | Apr. 5 | B.C.: R.C. Clute mediates an agreement between the Rossland miners and mine management: Union accepted contracting and Owners agreed not to discriminate against Union members. |
| 1900 | May | B.C.: The Sisters of Providence announce that they will close their hospital at St. Eugene’s mission and open one in Cranbrook. |
| 1900 | May | Valparaiso Gold Mines Company incorporated. |
| 1900 | May | N-WT.: The Beaver Indians of what is now central Alberta sign Treaty 8, the last people to do so. |
| 1900 | May 4 | Sandon, B.C.: CBD burns. |
| 1900 | May 21 | BC.: CPR drives the last spike in its Phœnix Subdivision. |
| 1900 | June | Agreement between GN and CP allows C&K Procter Branch trackage to cross N&FS trackage at Five-Mile Point in exchange for N&FS access to C&K station and yards in Nelson. |
| 1900 | June | School building completed in Fernie. In September, 100 students. |
| 1900 | June 1 | The Post Office opens its Crow’s Nest, BC, bureau. |
| 1900 | June 9 | B.C. political: Election. |
| 1900 | June 14 | Federal: 63-64 Victoria Chapter 79, “An Act to incorporate the St. Mary’s River Railway Company” receives royal assent. |
| 1900 | June 21 | B.C. political: Honourable Sir H.J. de Lothinière commissioned lieutenant-governor. |
| 1900 | June 28 | Québec City, PQ: Standard Pyritic Smelting Company incorporated. |
| 1900 | June 14 | B.C. political: Joseph Martin dismissed as premier by Lieutenant-governor. |
| 1900 | June 14 | Federal: 63-64 Victoria Chapter 79, “An Act to incorporate the St. Mary’s River Railway Company” receives royal assent. |
| 1900 | June 15 | B.C. political: James Dunsmuir installed as conservative premier. |
| 1900 | July 4 | Lethbridge, N-WT: St. Mary’s Main Canal declared complete. |
| 1900 | July 14 | Alberta and British Columbia Exploration Company, Limited, incorporated in Great Britain. Capitalization: £30,000. Headquarters in Kaslo. |
| 1900 | July 29 | Carcross, Yukon Territory: Last spike driven in White Pass & Yukon Railway. |
| 1900 | August | B.C.: The Yale Mining Company contracted L.A. Clark to push a waggon road from Penticton to Nickel Plate Mountain. |
| 1900 | August | B.C.: CP completes ballasting of C&W and full service to Midway inaugurated. |
| 1900 | Aug. 1 | Aylesworth Bowen Perry, C.M.G., appointed sixth Commissioner of the N-WMP, RN-WMP, and RCMP (to March 31, 1923). |
| 1900 | Aug. 17 | International Navigation and Trading Company launches Kaslo (765 tons) at Mirror Lake yards, Kaslo. Sank 1910. |
| 1900 | Aug. 18 | Nelson Electric’s dam on Cottonwood Creek collapses. Nelson, B.C. |
| 1900 | Aug. 21 | Granby Consolidated Mining and Smelting blows in No. 1 furnace of its Grand Forks smelter. |
| 1900 | Aug. 28 | Mi’kai’stowa (Chief Red Crow) of the Kainai drowns in St. Mary’s River in southern Alberta. |
| 1900 | Aug. 29 | Granby Consolidated sends first shipment of Grand Forks smelter matte copper to market. |
| 1900 | Aug. 31 | B.C.: Provincial charter for Tracy Holland’s Grand Forks and Kettle River Valley Railway granted. |
| 1900 | Sep. 10 (19?) | Great Britain: United Gold Fields of British Colimbia incorporated with French money. Headquarters in Nelson, B.C. |
| 1900 | Autumn | Creston, B.C.: B&N rails arrive. |
| 1900 | Autumn | Moyie, B.C.: Moyie Water Company laying pipe. |
| 1900 | Oct. 11 | City of Phœnix incorporated. |
| 1900 | Oct. 13 | Grand Forks, B.C.: Granby Consolidated Mining and Smelting blows in No. 2 furnace of its smelter. |
| 1900 | Oct. 22 | Boundary Creek Mining Company, Limited, reorganizes itself into the Montreal and Boston Copper Company, Limited. |
| 1900 | Oct. 31 | District of Alberta, N-WT: Village of Stafford incorporated. |
| 1900 | Nov. 3 | B.C.: The Dominion Copper Company contracts to have a smelter built in the Boundary Creek region. Cancelled in 1901. |
| 1900 | Nov. 5 | Fernie, B.C.: CP abandons its claims to the townsite. |
| 1900 | Nov. 7 | Federal Election: Laurier re-elected as Liberal prime minister of Canada. |
| 1900 | Nov. 7 | Federal Election: William A. Galliher (Liberal) elected for the District of Cariboo and Yale, B.C. |
| 1900 | Nov. 10 | Federal political: Chas. Tupper steps down as leader of the federal Conservatives. |
| 1900 | Nov. 12 | U.S.A.: Marcus Daly dies. (December 5, 1841) |
| 1900 | Nov. 25 | B.C.: Bedlington and Nelson—Kootenay Valley Railway opened for business. |
| 1900 | Nov. 28 | District of Alberta, N-WT: St. Mary’s River Railway opened between Stirling and Spring Coulee. |
| 1900 | December | Frank, N-WT: H.L. Frank and S.W. Gebo begin developing their coal mine. First coal mine in the region east of the Great Divide. |
| 1900 | Dec. 1 | Blairmore, N-WT.: postal bureau opens in Lyon’s store. |
| 1900 | Dec. 6 | B.C.: C&K’s Procter branch declared open. |
| 1900 | Dec. 11 | Trail, BC: Board of Trade registered. |
