UPS Boat on Canal Grande, Venice, Italy
- August 28, 1907: 19-year-old Jim Casey and 18-year-old Claude Ryan founded the American Messenger Company in Seattle, Washington, capitalized with $100 in debt.
- 1913: The first delivery car appeared, a Model T Ford. They merged with a competitor, Evert McCabe, and formed Merchants Parcel Delivery. Consolidated delivery was also introduced, combining packages addressed to a certain neighborhood onto one delivery vehicle.
- 1918: A new member was recruited, Charles W. Soderstrom, who helped manage their ever-growing fleet of delivery vehicles.
- 1919: Service began in Oakland, California. The name United Parcel Service was adopted. The first official logo was released.
- 1930: A consolidated service began in New York, and began operations soon after in other major cities in the east and midwest. First mechanical system for package sorting. Accountant George D. Smith joined the company. The name United Parcel Service was adopted all over the country. All UPS vehicles were then painted the familiar Pullman brown, chosen because it was considered neat, dignified, and professional. Headquarters moved to New York City.
- 1937: The UPS logo was revised for the first time. In the logo, it wrote "The Delivery System for Stores of Quality".
- 1940–1959: Services were expanded by acquiring "common carrier" rights to deliver packages between all addresses, any customer, private and commercial.
- 1952: Blue Label Air established.
- 1961: Renowned graphic designer Paul Rand created the iconic third logo for UPS. The shield represented stability and integrity, and the bow on the box represented the package service.
- 1975: UPS moves its headquarters to Greenwich, Connecticut. UPS began servicing all of the 48 contiguous states of the USA. UPS also established Canadian operations in 1975. On Feb. 28, UPS Ltd. (later changed to UPS Canada Ltd.) began operations in Toronto, Ontario with a single delivery vehicle. UPS Canada's head office is located in Mississauga, Ontario.
- 1976: UPS established itself in Europe with a domestic operation in West Germany. Blue Label Air.
- 1982: UPS Next-Day Air Service is offered in the US and Blue Label Air becomes UPS 2nd Day Air Service.
- 1988: UPS Airlines is launched.
- 1991: UPS moves its headquarters again - to suburban Atlanta, Georgia.
- 1992: UPS acquired both Haulfast and Carryfast and rebranded to UPS Supply Chain Solutions. Haulfast provided the pallet haulage and trunking network for the CarryFast group of companies.
- 1995: UPS Logistics Group was established. UPS acquired SonicAir.
- 1997: Teamsters strike shuts down UPS.
- 1998: UPS Capital was established.
- 1999: UPS acquires Challenge Air.
- November 10, 1999: UPS became a public company
- 2001: UPS acquired Mail Boxes Etc. and re-branded to The UPS Store
- In March 2003, UPS unveiled a new logo, replacing the iconic package and shield originally designed in 1961 by Paul Rand.
- In 2004, UPS entered the heavy freight business with the December 20 announcement of the purchase of Menlo Worldwide Forwarding, a former subsidiary of Menlo Worldwide. UPS rebranded it as UPS Supply Chain Solutions. The purchase price was US$150 million and the assumption of US$110 million in long-term debt.
- On August 5, 2005 UPS announced that it had completed its acquisition of less-than-truckload (LTL) trucking company Overnite Transportation for US$1.25 billion. This was approved by the FTC and Overnite shareholders on August 4, 2005. On April 28, 2006, Overnite officially became UPS Freight.
- On October 3, 2005, UPS completed the purchase of LYNX Express Ltd, one of the largest independent parcel carriers in the United Kingdom, for £55.5 million (US$97.1 million) after receiving approval for the transaction from the European Commission. The first joint package car centre operation, in Dartford, Kent, was opened during mid-2006..
- August 28, 2007: United Parcel Service celebrated its 100th anniversary.