The bayou was found to connect the the Mississippi River (near current day New Orleans) to the Gulf of Mexico via Lake
Pontchartrain and the Rigolets. This "short cut" led to the founding of New Orleans.
1699 -- Native Americans lead Iberville & Bienville to Bayou St. John.
William Harris and Andrew Pigge were lynched in New
Orleans on March 9, 1898. Source: William Harris, New Orleans, March 9, 1898