The automotive industry is one with the highest mergers and acquisitions. General Motor is a well-known automotive manufacturer with many mergers and acquisitions since its' inception that has led it to be the corporate giant it is today.

Please provide below is a timeline of changes with the company?

To provide a timeline of changes with General Motors (GM) since its inception, we need to go through its significant mergers and acquisitions. Here is a summary of GM's major developments over the years:

1. 1908: General Motors Corporation was founded on September 16, 1908, by William C. Durant.
2. 1909: GM acquired the Buick Motor Company, which became the foundation for the company's future growth.
3. 1910-1920s: GM continued to acquire multiple automobile companies, including Oldsmobile, Oakland (later renamed Pontiac), Cadillac, and Chevrolet.
4. 1920s-1930s: GM expanded its global presence by acquiring European automakers, including Vauxhall Motors in the United Kingdom and Opel in Germany.
5. 1940s-1950s: After World War II, GM experienced remarkable growth and dominance in the American automobile market.
6. 1960s: GM made several acquisitions, including the purchase of the European brand, Saab Automobile AB, and the truck manufacturer, GMC.
7. 1980s: GM faced financial difficulties due to increased competition and changing consumer preferences. In 1984, GM acquired Electronic Data Systems (EDS), a technology company founded by Ross Perot.
8. 1990s: GM made significant investments in Asia by acquiring a 49% stake in Isuzu Motors and entering into joint ventures in China.
9. 2000s: GM faced further challenges and filed for bankruptcy in 2009 during the global financial crisis. As part of its restructuring, the U.S. government became a major shareholder of the company.
10. 2010s: After emerging from bankruptcy, GM focused on revitalizing its brand and expanding into electric vehicles (EVs). It introduced the Chevrolet Volt and Chevrolet Bolt EV and acquired Cruise Automation, a self-driving technology startup.
11. Recent years: GM has continued its expansion into EVs and autonomous vehicles while also exploring partnerships and collaborations with other companies in various industries.

Please note that this is a brief summary, and there are additional mergers, acquisitions, and strategic partnerships that have taken place throughout GM's history. For a more detailed timeline, you can refer to official GM publications or reliable automotive sources.