Cleveland, City of Firsts: From the world’s first rock concert to the nation’s first big-city Black mayor & more

CLEVELAND, Ohio — Many nicknames have been bestowed upon Cleveland over the years — “The 216,” “CLE,” “The Land,” “Forest City,” “Believeland” and even “Rock and Roll Capital of the World.” One nickname that our beloved metropolis earned over the years was “The Sixth City,” a moniker that expressed Cleveland’s status as the sixth largest in the country as of the 1910 Census — overtaking Baltimore, by the way. Cleveland has been a pioneer ever since those “Sixth City” days. Four years after that Census report, the city lit up the streets with the first-ever electric traffic signal at East 105th and Euclid Avenue. Dig a little further, you’ll find that the Greater Cleveland region has been responsible for the…