St. Patrick's Day is being celebrated in various locations, with parades and festivities taking place in cities such as Savannah, Buffalo, and Montreal. The holiday is also being marked in other cities, including Philadelphia, where it serves as a reminder of the city's immigrant roots, and in Britain, where the people behind the parades are being recognized. Celebrations range from long-standing traditions, like the 201st parade in Montreal, to family-friendly events and gatherings at local pubs.