Back in the chain's early days, this is what most McDonald's stores looked like. This photo was taken in 1985, but it shows one of the few "old style" McDonald's restaurants that were still operating at the time.
The logo has also undergone some changes. This logo was used from 1961 to 1968. Several similar iterations were used from 1968 to 2006.
The most recent menu update is the $1, $2, $3 menu, which sells different items for $3 or less.
Source: Business Insider
After six years, the company switched from the mascot to a simple logo, using this design until 1968.
This clean packaging was the most recent major update before the company switched back to brown bags in 2016. To get to this point, the packaging has gone through numerous changes to keep up with trends while keeping their now-iconic look.
Source: Business Insider
In 1961, McDonald's founder Ray Kroc launched Hamburger University to train McDonald's managers. The intensive program lasts one week, and students can earn college credit for attending the business and leadership-oriented courses.
Hamburger University still operates today on an international scale, and more than 40% of McDonald's senior leaders are graduates of the program. Over the past 55 years, over 275,000 people have attended Hamburger University.
Ronald McDonald used to be one of many characters on the show "McDonaldland," but most were phased out after Sid and Marty Krofft sued McDonald's, claiming that the entire show was a copyright infringement of their show "H.R. Pufnstuf." "McDonaldland" characters and toys are now seen as collectors' items and sell for hundreds of dollars on eBay.
Source: eBay