Thanksgiving is a national holiday celebrated primarily in the United States and Canada, but also observed in other countries like Saint Lucia, Liberia, and parts of Europe and Australia. It traditionally falls in October or November and is rooted in giving thanks for the blessings of the harvest and the past year. While it has historical ties to religious and cultural customs, Thanksgiving is widely celebrated as a secular holiday, with similar harvest festivals occurring globally during autumn.
In 1909, Ambassador Joaquim Nabuco witnessed Thanksgiving celebrations at St. Patrick's Cathedral in Washington, which later inspired him to suggest establishing a similar holiday in Brazil.
On October 31, 1939, President Franklin D. Roosevelt moved Thanksgiving to the next-to-last Thursday of November to stimulate the economy and extend the Christmas shopping season. This caused significant disruption and controversy.
On December 26, 1941, President Roosevelt signed a joint resolution from Congress establishing Thanksgiving as the fourth Thursday of November, beginning in 1942, to resolve the confusion caused by the previous date change.
In 1941, the United States Congress officially established Thanksgiving as the fourth Thursday in November.
Starting in 1942, the United States officially observed Thanksgiving on the fourth Thursday of November following the Congressional resolution.
After the Japanese withdrawal in 1945, the Philippines continued to celebrate Thanksgiving, a tradition adopted during the American colonial period.
On August 17, 1949, President Gaspar Dutra of Brazil established National Thanksgiving Day, inspired by Ambassador Joaquim Nabuco's experience in Washington.
In January 1957, the Canadian Parliament officially proclaimed Thanksgiving as a day of general thanks to God for the bountiful harvest, to be observed on the second Monday in October.
In 1957, to avoid conflicts with Armistice Day, the Canadian Parliament moved Thanksgiving to the second Monday of October.
On November 5, 1963, President John F. Kennedy issued a proclamation acknowledging both the Virginia and Massachusetts Thanksgiving traditions, highlighting the forefathers' gratitude for safety, health, prosperity, love, and faith.
In 1966, Brazil officially designated the fourth Thursday of November as Thanksgiving Day, aligning it with the American celebration.
The Philippines discontinued Thanksgiving as an official holiday in 1969 after previously being celebrated on the same day as the American Thanksgiving.
The 1971 American Uniform Monday Holiday Act resulted in American Columbus Day and Canadian Thanksgiving falling on the same date.
Grenada established Thanksgiving Day on October 25, 1983, to commemorate the US-led invasion following the execution of Prime Minister Maurice Bishop.
After the removal of President Ferdinand Marcos in 1986, the Philippines discontinued its official observance of Thanksgiving.
As of 2022, Thanksgiving has seen a revival in the Philippines as a commercial and cultural event, spearheaded by SM Supermalls.
On October 14, 2024, Canada celebrated Thanksgiving.
On November 7, 2024, Liberia celebrated Thanksgiving.
On November 27, 2024, Norfolk Island celebrated Thanksgiving.
On October 13, 2025, Canada celebrated Thanksgiving.
On November 6, 2025, Liberia celebrated Thanksgiving.
On November 26, 2025, Norfolk Island celebrated Thanksgiving.