After the failed Rebellion of 1837 in Upper Canada, its leader, William Lyon Mackenzie, retreated to Navy Island, in the Niagara River, accompanied by some 200 followers. The Caroline, an American ship based at Fort Schlosser in New York State, was chartered to bring supplies to the rebels. On 29 December 1837, a force of the Upper Canada militia led by Commander Andrew Drew of the Royal Navy found the Caroline moored at Schlosser. In the quick skirmish that followed, an American was killed. The Caroline, set on fire and adrift, capsized before reaching the falls and sank. The incident aggravated the already tense relationship between the United Kingdom and the United States.
The Aroostook War was a confrontation between British and Maine authorities in disputed territory known as Madawaska. During the Napoleonic Wars, Britain was in dire need of wood and the region’s pine forests became an important commodity. Claimed by both Maine and New Brunswick, Madawaska became fertile ground for confrontations between the two. The war peaked in 1838‒39 when the governor of Maine, John Fairfield, sent a group, led by Rufus McIntyre, to stop “provincials” from entering territory that Fairfield believed was Maine’s. McIntyre was captured and accused of invading the colony. The conflict ended in 1842 with the Webster-Ashburton Treaty, which divided the territory along the Saint John River.
The ongoing Syrian conflict has catalyzed different responses in Canada. The Liberal government of Justin Trudeau, which came into power in November 2015, has greatly expanded the resettlement of Syrian refugees into Canada. However, the policies have also been criticized as Canada continues to fight Islamophobia and negative attitudes about refugees.
The war in Afghanistan (2001-2014) was Canada's longest war and its first significant combat engagement since the Korean War. After the 2001 terror attacks on the United States, Canada joined an international coalition to destroy the al-Qaeda terrorist network and the Taliban regime that sheltered it in Afghanistan. More than 40,000 Canadian Armed Forces members served in the 12-year campaign. The war killed 165 Canadians —158 soldiers and seven civilians. Although the Taliban were removed from power and the al-Qaeda network was disrupted, Canada and its allies failed to destroy either group, or to secure and stabilize Afghanistan.
Refugees and asylum seekers flee their countries in hopes of safety abroad. Governed by the 1951 UN Refugee Convention, refugee status is a matter of both international and domestic law. Historically, Canada has assisted many refugees from all over the world. However, human migration is a complex phenomenon, and Canada's refugee policies are also not immune to the influence of political and popular opinion.
The Battle of the Windmill was one of a series of raids launched along the Canada/US border in the summer and fall of 1838 by the Hunters’ Lodges, secret societies established by Canadian rebels who had taken refuge in the northern United States after the failed rebellions of 1837. Several thousand Americans also joined these societies, whose goal was to push the United Kingdom and the United States into war so as to liberate the Canadian provinces from British tyranny. The Battle of the Windmill was fought from 12 to 16 November 1838 near Prescott, in Upper Canada, and ended in a defeat for the invaders from the US. One month later, the Battle of Windsor put an end to the American incursions and Canadian rebellions.
Through its history, Canada has taken a series of increasingly bold steps to develop from a British colony into an independent nation. Both the world wars were turning points, with Canada's military sacrifices giving it the strength and confidence to demand its own voice on the world stage. In the postwar era, Canada has maintained its role in both Western and global alliances. However, relations with the United States – because of its singular importance to Canadian security and trade – have dominated Canada's foreign policy since Confederation.
In December 1837 and January 1838, in the wake of heavy defeats at the hands of British and Loyalist forces, Upper and Lower Canadian rebels fled to the United States where they sought financial and military assistance. Though the American public was aware that there had been an armed conflict in the Canadas, and many were even initially very supportive, the presence of Canadian rebels on American soil along with growing tensions with Great Britain amid the Caroline Affair forced many to question American involvement. The rebels appeared at a very divisive moment in American history, forcing many to consider the social, political, diplomatic or economic ramifications of the rebellions on the Early American Republic. Though the rebels received support in the borderland, most believed that the United States should remain neutral.
During the 1880s, while Americans hunted seals on the Pribilof Islands, which the US had acquired from Russia in 1867, Canadians conducted sealing in the open waters. In 1886 US government revenue cutters, claiming to protect "American property," began seizing Canadian sealing vessels.