Final Answer:
The devastating flood in Winnipeg, resulting in widespread property loss, occurred in 1950 due to a combination of snowmelt and heavy rainfall. This event spurred the construction of the Red River Floodway to mitigate future flood risks and protect the city.
Step-by-step explanation:
The catastrophic flood in Winnipeg occurred in 1950 when the Red River experienced unprecedented levels of flooding. The combination of rapid snowmelt and heavy rainfall led to the river overflowing its banks, causing extensive damage to the city and surrounding areas. Thousands of residents were forced to evacuate, and there was significant property loss.
This event prompted significant changes in flood management strategies, leading to the construction of the Red River Floodway, one of the largest diversion channels in the world. The floodway was designed to protect Winnipeg from future flooding by redirecting excess water around the city.
In summary, the devastating flood in Winnipeg took place in 1950, marking a pivotal moment in the city's history and influencing subsequent flood mitigation efforts.