Here's a timeline of Elon Musk's achievements:

1981: Interest in Computing
At the age of 10, he developed an interest in computing with the Commodore VIC-20 and taught himself computer programming.
1983: Sold his first video game, Blastar
By the age of 12, Musk sold the code of a BASIC-based video game he created called Blastar, to a magazine called PC and Office Technology, for approximately $500.
1995: Started Zip2, a Web Software Company
In 1995, Musk and his brother, Kimbal, started Zip2, a web software company which developed and marketed an Internet city guide for the newspaper publishing industry. The company raised money from a small group of angel investors.
February 1999: Sold Zip2 to Compaq for US$307 million
Compaq acquired Zip2 for US$307 million in cash and US$34 million in stock options in February 1999. Musk received US$22 million for his 7 percent share from the sale.
March 1999: Cofounded X.com, a financial service and payment company
In March 1999, Musk co-founded X.com, an online financial services and e-mail payment company, with US$10 million from the sale of Zip2.
2000: X.com merged with Confinity to form PayPal
X.com merged with Confinity, which had a money-transfer service called PayPal and Musk became the CEO and company's largest shareholder by owning 11.7% of shares. The merged company focused on the PayPal service and was later renamed PayPal. PayPal's early growth was driven mainly by a viral marketing campaign where new customers were recruited when they received money through the service.
October 2000: Musk got Fired from PayPal
Musk was ousted in October 2000 from his role as CEO of PayPal (although he remained on the board) due to disagreements with other company leadership, notably over his desire to move PayPal's Unix-based infrastructure to Microsoft Windows.
October 2001: Went to Moscow to buy ICBMs to send payloads to Mars
In October 2001, Musk travelled to Moscow with Jim Cantrell (an aerospace supplies fixer), and Adeo Ressi (his best friend from college), to buy refurbished Dnepr Intercontinental ballistic missiles (ICBMs) that could send the envisioned payloads into space. The group met with companies such as NPO Lavochkin and Kosmotras; however, according to Cantrell, Musk was seen as a novice and was consequently spat on by one of the Russian chief designers, and the group returned to the United States empty-handed.
February 2002: Got an idea to build affordable Rockets
In February 2002, the group returned to Russia to look for three ICBMs, bringing along Mike Griffin. Griffin had worked for the CIA's venture capital arm, In-Q-Tel, as well as NASA's Jet Propulsion Laboratory, and was just leaving Orbital Sciences, a maker of satellites and spacecraft. The group met again with Kosmotras, and were offered one rocket for US$8 million; however, this was seen by Musk as too expensive; Musk consequently stormed out of the meeting. On the flight back from Moscow, Musk realized that he could start a company that could build the affordable rockets he needed.
May 2002: Founded SpaceX, a space exploration company
Musk founded Space Exploration Technologies, or SpaceX, in May 2002 with US$100 million of his early fortune. Musk became the chief executive officer (CEO) and chief technology officer (CTO). SpaceX develops and manufactures space launch vehicles with a focus on advancing the state of rocket technology.
October 2002: eBay acquired PayPal
In October 2002, PayPal was acquired by eBay for US$1.5 billion in stock, of which Musk received US$165 million.
July 2003: Tesla, Inc was incorporated
Tesla, Inc. (originally Tesla Motors) was incorporated in July 2003 by Martin Eberhard and Marc Tarpenning, who financed the company until the Series A round of funding.
February 2004: Musk joined Tesla
Musk led the Series A round of investment for Tesla in February 2004, joined Tesla's board of directors as its chairman.
2007: Musk became the CEO of Tesla
Following the financial crisis in 2008 and after a series of escalating conflicts in 2007, Eberhard was ousted from the firm. Musk assumed leadership of the company as CEO and product architect.
2010: Donated a 25-kW Solar power system
In 2010, the Musk Foundation collaborated with SolarCity to donate a 25-kW solar power system to the South Bay Community Alliance's hurricane response center in Coden, Alabama.
2011: Expressed his hope to send human to Mars
In a 2011 interview, he said he hopes to send humans to Mars' surface within 10–20 years.
2012: Announced SolarCity and Tesla Collaboration
The underlying motivation for funding both SolarCity and Tesla was to help combat global warming. In 2012, Musk announced that SolarCity and Tesla are collaborating to use electric vehicle batteries to smooth the impact of rooftop solar on the power grid, with the program going live in 2013.
May 25, 2012: SpaceX's vehicle docked with ISS for the first time
On May 25, 2012, the SpaceX's vehicle, Dragon docked with the International Space Station (ISS), making history as the first commercial company to launch and berth a vehicle to the International Space Station.
SolarCity became the second largest solar power provider
By 2013, SolarCity was the second largest provider of solar power systems in the United States.
August 12, 2013: Unveiled a concept for a high-speed transportation system
On August 12, 2013, Musk unveiled a concept for a high-speed transportation system incorporating reduced-pressure tubes in which pressurized capsules ride on an air cushion driven by linear induction motors and air compressors.
2014: Announced Open-Sourcing Tesla Technology
In 2014, Musk announced that Tesla would allow its technology patents to be used by anyone in good faith in a bid to entice automobile manufacturers to speed up development of electric cars.
June 17, 2014: Committed to building a SolarCity advanced production facility in Buffalo
On June 17, 2014, Musk committed to building a SolarCity advanced production facility in Buffalo, New York, that would triple the size of the largest solar plant in the United States. Musk stated the plant will be "one of the single largest solar panel production plants in the world," and it will be followed by one or more even bigger facilities in subsequent years.
June 2015: Announced Hyperloop design competition
In June 2015, Musk announced a design competition for students and others to build Hyperloop pods to operate on a SpaceX-sponsored mile-long track in a 2015–2017 Hyperloop pod competition. The track was used in January 2017, and Musk also started building a tunnel.
December 2015: Announced creation on OpenAi, Artificial Intelligence company
In December 2015, Musk announced the creation of OpenAI, a not-for-profit artificial intelligence (AI) research company. OpenAI aims to develop artificial general intelligence in a way that is safe and beneficial to humanity.
2016: Dating, SolarCity Acquisition, Neuralink
- SolarCity was acquired by Tesla, Inc. in 2016 and is currently a wholly owned subsidiary of Tesla.
- In 2016, Musk co-founded Neuralink, a neurotechnology startup company to integrate the human brain with artificial intelligence.
- By 2016, Musk's private trust holds 54% of SpaceX stock, equivalent to 78% of voting shares.
September 2016: Revealed Mars colonization exploration architecture details
In September 2016, Musk revealed details of his architecture to explore and colonize Mars.
May 12, 2017: Hyperloop One announced first successful test run
Hyperloop One, a company participating in Hyperloop competition, had announced that it had done its first successful test run on its DevLoop track in Nevada on July 13, 2017. It lasted 5.3 seconds, reaching a top speed of 70 mph.
July 2017: Purchased x.com domain from PayPal
In July 2017, Musk purchased the domain x.com from PayPal for an undisclosed amount, stating that it has sentimental value to him.
2018: Left the OpenAI board
In 2018 Musk left the OpenAI board to avoid possible future conflicts with his role as CEO of Tesla as Tesla increasingly becomes involved in AI.
May 7, 2018: Musk and Grimes announced that they were dating
On May 7, 2018, Musk and Canadian musician Grimes revealed that they had begun dating.
July 2018: Attempted to provide assistance to rescuers during the Tham Luang cave rescue
In July 2018, Musk attempted to provide assistance to rescuers during the Tham Luang cave rescue by ordering his employees to build a small rescue pod. Thai authorities decided not to use the submarine, describing it as technologically impressive but impractical.
September 2018: Warned about the dangers of AI
In an interview with Joe Rogan in September 2018, Musk warned about the dangers of developing artificial intelligence indiscriminately.
October 2018: Donated over $480,000 to install new water fountains at all Flint, Michigan schools.
In October 2018, in an effort to help solve the Flint water crisis, Musk and the Musk Foundation donated over $480,000 to install new water fountains with filtration systems for access to clean water at all Flint, Michigan schools.
October 2018: Filed an 'intent to use' trademark application for Teslaquila
Musk first mentioned Teslaquila in an April Fools tweet in 2018. The proposed Tesla-branded tequila become closer to a reality in October 2018 as Tesla filed an 'intent to use' trademark application with the U.S. Patent and Trademark Office.
January 2019: Traveled to China for the groundbreaking of Tesla's Shanghai Gigafactory
In January 2019, Musk traveled to China for the groundbreaking of Tesla's Shanghai Gigafactory, which is the company's first large-scale plant outside the U.S. Part of his visit to China, Musk also met the Chinese premier Li Keqiang. During their exchange, Musk confessed his love for China and wished he could visit China more often, to which the Chinese premier was quoted as saying "We can issue you a Chinese green card if that helps."

For further reading, please visit the link: Wikipedia (Elon Musk)

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