Built for the Exposition Universelle, the Eiffel Tower officially opened in Paris on this day in 1889.

Did you know that:

• Robert Wilhelm Eberhard von Bunsen, German inventor of the Bunsen burner, was born on this day in 1811
• Dugald Clerk, inventor of the 2-stroke motorcycle engine, was born on this day in 1854
• Wabash became the “First Electrically Lighted City in the World” on this day in 1880