Last time July was this hot in Montreal, everything was black and white

With an average temperature of 24.2 degrees Celsius, Montreal just completed its warmest July since 1921.
While the heat wave of 2018 might harken back to that summer, a lot has changed in the intervening decades.
Let’s revisit that summer, shall we?
Last time a July was this hot in Montreal, Médric Martin was the city’s mayor.
Last time a July was this hot in Montreal, the city had a population of 618,506.
Last time a July was this hot in Montreal, red and white had stil