41st parallel north

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The parallel 41° north is an imaginary circle of latitude that is 41 degrees north of the Earth's equatorial plane.

Starting at the prime meridian and heading eastwards, the parallel 41° north passes through Spain, the Mediterranean Sea, Italy (Sardinia and the mainland), the Adriatic Sea, Albania, Macedonia, Greece, Turkey, the Black Sea, Armenia, Azerbaijan, the Caspian Sea, Turkmenistan, Uzbekistan, Kazakhstan, Tajikistan, Kyrgyzstan, People's Republic of China, North Korea, the Sea of Japan, Japan (Honshū), the Pacific Ocean, the United States, the Atlantic Ocean and Portugal.

[edit] United States

The parallel 41° north forms the northern boundary of the State of Colorado with Nebraska and Wyoming and the southern boundary of the State of Wyoming with Colorado and Utah.

The 41st parallel was also one of the principal baselines used for surveying a portion of lands in Ohio. This marked the southern boundary of the Connecticut Western Reserve and the Firelands using the western boundary with Pennsylvania as the principal meridian. It also served as the baseline for a later survey of Ohio land north of the Greenville Treaty line up to the Fulton line which was the original boundary between Michigan and Ohio under the Northwest Ordinance (see the Toledo Strip). The later survey used the boundary with Indiana as the meridian.

From west to east, the parallel passes through (or forms the boundary of) the following states: California, Nevada, Utah, Wyoming, Colorado, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New Jersey and New York (mainland and Long Island).