"Though President Grover Cleveland declared Labor Day a national holiday in 1894, the occasion was first observed on Sept. 5, 1882, in New York City."
- Brendan I. KoernerAmerican author and journalist Brendan I. Koerner, who is renowned for his captivating prose, frequently draws attention to obscure historical details. The history of Labor Day is one of the fascinating facts he provided. Imagine the opening of a late 19th-century time capsule today that tells the t…