It was formerly celebrated on the last Monday in October. But in 1957, the Canadian government proclaimed the second Monday in October to be the holiday.": "A national Thanksgiving Day was first proclaimed in Canada in 1879. After World War I it was merged with Armistice Day for a time. In 1931 the two were made separate holidays, and the second Monday in October was proclaimed Thanksgiving Day."

...

It was formerly celebrated on the last Monday in October. But in 1957, the Canadian government proclaimed the second Monday in October to be the holiday.": "A national Thanksgiving Day was first proclaimed in Canada in 1879. After World War I it was merged with Armistice Day for a time. In 1931 the two were made separate holidays, and the second Monday in October was proclaimed Thanksgiving Day."

The first Thanksgiving Day in Canada was observed at Port Royal, N.S., in 1710, when the town and fort passed into English hands for the last time. In 1760 a day of thanksgiving at Halifax marked the victory of General Jeffrey Amherst's troops at Montreal.

These early thanksgiving days were held at various times, usually to celebrate military victories or the birth of royal children. The Scottish settlers of Nova Scotia emphasized the religious aspect of a day of thanksgiving. Halifax in 1762 was the first community to give thanks for a bountiful
Thanksgiving is also a legal holiday in Canada. Because Canada is north of the United States, its harvest comes earlier in the year. Accordingly, the Thanksgiving holiday falls earlier in Canada than in the United States. The Canadian Parliament set aside November 6 for annual Thanksgiving observances in 1879. In 1957 the date was shifted to an even earlier day, to the second Monday in October."

http://www.annieshomepage.com/...

Because Canadian's have to try and be better than us :P

maybe october is when turkeys are at their best size for harvesting! lol
Happy Thanksgiving.

The harvest season falls earlier in Canada than in the United States due to the simple fact that Canada is further north.
At the same time, French settlers, having crossed the ocean and arrived in Canada with explorer Samuel de Champlain, also held huge feasts of thanks. They even formed "The Order of Good Cheer’’ and gladly shared their food with their Indian neighbors.
Finally, in 1957, the Canadian Parliament proclaimed the second Monday in ...

The harvest season falls earlier in Canada than in the United States due to the simple fact that Canada is further north.
At the same time, French settlers, having crossed the ocean and arrived in Canada with explorer Samuel de Champlain, also held huge feasts of thanks. They even formed "The Order of Good Cheer’’ and gladly shared their food with their Indian neighbors.
Finally, in 1957, the Canadian Parliament proclaimed the second Monday in October "A Day of General Thanksgiving to Almighty God for the bountiful harvest with which Canada has been blessed...’’