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    1. Much of the Canada-United States border runs dead straight along the 49th parallel, the line of latitude marked here in red, for about 2,000 kilometres from the Pacific to the Great Lakes. Laid across Europe, that same line falls surprisingly far south. Everything shaded blue lies north of it: all of the British Isles, Scandinavia, the Baltic states, Belarus and most of Poland, Germany and the Low Countries. Paris, at just under 49 degrees north, sits a fraction to the south, which puts most of France, and all of Spain and Italy, below the line that forms Canada’s southern edge.

      London sits at about 51.5 degrees north, further north than the entire Canada-US land border west of the Great Lakes, and roughly level with Calgary in Alberta.

    2. Godson-of-jimbo on

      Wait, can you interpolate this out to a straight, completely horizontal line? I feel like it would be angled

    3. Aurelianshitlist on

      What part of the border? The southernmost point, the longest stretch, or the average latitude?

    4. OP should have used a Mercator map. I’m 99 % sure that straight line doesn’t follow any single latitude but curves to the south towards the edges of the image.

    5. If you sailed due west from Ireland, you’d eventually arrive at Labrador, which shows the importance of the Gulf Stream!

    6. This map demonstrates why the Mercator projection continues to be popular. It’s drawback of distorting distances near the poles is amply compensated by its advantage of making the lines of latitude and longitude straight lines. Since the map doesn’t use the Mercator projection, it’s only by luck that it’s close enough to the 49th parallel (at least in the center of the map) for the marked countries to be correct.

    7. It’s wild to me that New York is almost on the same latitude as Madrid, and most of the US even closer to the equator.

    8. Select_Arm_4248 on

      To all americans: we have polar bears on unicycles here in Poland. Entire country full of them! /s

    9. I once looked it up. Like 150 000 people in Canada permanently live as north as Finland is. For refrence my city of Turku in south-western Finland has population of some 220 000 people. Most of population of Sweden and norway live more south than Finland.

      I am always slightly confused by the fact that Finland is populated at all…

    10. As someone from the south of Germany, the UK was always above Germany (to the left) to me, I only noticed once I moved to Berlin that London is actually on the same height as Berlin.

    11. SeaweedBasic290 on

      Ireland has mild weather compared to others in Europe. To the west the gulf stream keeps the Irish waters warm throughout the year and the UK blocks most of the bad weather coming from the east.

    12. Academic_Safety56 on

      Calling this line the US-Canada border is pretty misleading. This line seems to be roughly showing the 49th parallel. About 70% of Canada’s population lives south of that line.