World's Historically Highest Observation Decks

Each of these successively reigned as the highest observation deck in the world.
Note: based on the height of the observation deck, not the structure.
Quiz by Hategump
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Last updated: August 31, 2017
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First submittedAugust 29, 2017
Times taken15
Average score54.5%
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Year
Height
City
Answer
1884
152m
Washington D.C.
Washington Monument
1889
276m
Paris
Eiffel Tower
1931
373m
New York
Empire State Building
1973
395m
New York
Two World Trade Center
1974
413m
Chicago
Willis Tower
1975
415m
New York
Two World Trade Center
1976
447m
Toronto
CN Tower
2008
474m
Shanghai
World Financial Center
2010
488m
Guangzhou
Canton Tower
2010
558m
Dubai
Burj Khalifa
2016
561m
Shanghai
Shanghai Tower
+1
Level 72
Aug 29, 2017
Khalifa is misspelled.
+1
Level 41
Sep 1, 2017
fixed