In 1993, the company Yandex was officially registered with its founders being the shareholders of CompTek. The ru-Net Holdings fund invested over $5 million into the company, acquiring a significant stake.

Yandex.ru search engine was launched and presented at the Softool exhibition in Moscow. Initially developed by Comptek.

In 1998, Yandex introduced the function 'find similar documents' for each search result. This feature enhanced the search experience for users by providing related content.

Since 1999, Deloitte has audited Yandex's accounting.

On June 6, 2000, the second version of the Yandex search engine was introduced with a parallel search mechanism, offering information from large sources, and allowing users to limit search results to specific topics.

In 2001, Yandex surpassed Rambler to become the leading search engine in Runet, understanding natural language queries and implementing typo correction.

In November 2002, Yandex became profitable.

In 2003, Yandex started indexing .rtf and .pdf documents, and search results began to be issued in XML format.

In 2004, Yandex began indexing documents in .swf (Flash), .xls, and .ppt formats, and the ranking algorithm was changed.

Yandex opened an office in Ukraine and launched www.yandex.ua. Introduced a customized search engine for Ukrainian users and opened a development center in Kyiv.

Starting from May 2006, icons representing websites began to be displayed in the search results, enhancing user experience and visual recognition of search results.

In June 2006, the weekly revenue of Yandex.Direct context ads system exceeded $1 million.

In early December 2006, a new feature called 'Saved Copy' appeared next to each search result link, allowing users to access a full copy of the page from a special archive database known as 'Yandex cache'.

In March 2007, Yandex acquired the Russian social networking service moikrug.ru.

The hint function was introduced on Yandex.Bar in August 2007, and later on the main page of the search engine in October 2008. It provides users with over a billion search hints per day.

On June 16, 2008, Yandex acquired SMILink, a Russian road traffic monitoring agency, to integrate with Yandex.Maps services.

Yandex announced the formation of Yandex Labs in Silicon Valley to foster innovation in search and advertising technology.

In January 2009, Yandex replaced Google as the default search provider for Russian-language builds of Mozilla Firefox 3.5.

In August 2009, Yandex added a player for free legal music within its search results.

On 19 May 2010, Yandex introduced an English-only web search engine.

On May 24, 2011, Yandex raised $1.3 billion in an initial public offering on NASDAQ, marking the biggest IPO for a dot-com company since Google's offering in 2004.

In May 2012, a bill was introduced in the State Duma of the Russian Federation recognizing Yandex and VKontakte as strategic enterprises in the national information sector.

Yandex announced on December 5, 2013, that they would no longer consider the number of third-party links as a ranking factor for websites. This decision marked a significant shift in their ranking algorithm.

In March 2014, Yandex acquired the Israeli geolocation startup KitLocate and established a research and development office in Israel.

In April 2014, a film about the history of Yandex called Startup was released.

In June 2014, Yandex acquired Auto.ru, an online marketplace and classified advertising website for automobiles, for $175 million.

In January 2015, Yandex Search generated 51.2% of all search traffic in Russia, according to LiveInternet. It is owned by the Russian company Yandex.

In December 2015, Yandex acquired Internet security company Agnitum.

In 2016, Yandex became the largest technology company in Russia. The company's influence and reach expanded significantly during this period.

On June 1, 2017, Yandex shut down its offices in Kyiv and Odesa, Ukraine following accusations by the Security Service of Ukraine of illegal collection and transfer of Ukrainian users' data to Russian security agencies. Despite the allegations, the company denied any misconduct.

On June 6, 2017, Yandex invested in a $5 million financing round by Doc+.

On July 21, 2017, Yandex was included as one of the default search engines in the Brave web browser. This integration expanded the reach of Yandex's search capabilities.

On 10 October 2017, Yandex launched its intelligent personal assistant, Alisa (Alice), available on Android, iOS, and Windows platforms.

On February 7, 2018, Uber and Yandex NV merged their businesses in Russia, Kazakhstan, Azerbaijan, Armenia, Belarus, and Georgia.

On 16 February 2018, Yandex conducted the first tests of its autonomous cars in Moscow, showcasing its advancements in self-driving vehicle technology.

Yandex announced the release of their first smartphone, the Yandex.Phone, on 5 December 2018, marking the company's entry into the smartphone market.

In June 2019, Yandex refused a request by the Russian Federal Security Service (FSB) under the Yarovaya law to surrender encryption keys that could decrypt the private data of its e-mail service and cloud storage users.

In July 2019, Yandex had 48.79% market share in Russia, making it the biggest search engine in the country, surpassing Google.

In November 2019, Sberbank announced giving up its 'golden share' of Yandex, leading to Yandex shareholders approving a corporate restructuring supported by the Russian government.

On 20 April 2020, as a result of the COVID-19 pandemic in Russia, Yandex made its home coronavirus testing service free of charge for all residents of Moscow and its surroundings.

In February 2021, Yandex admitted that one of their system administrators with access rights to Yandex's email service had enabled unauthorized access, leading to almost 5,000 Yandex email inboxes being compromised.

In June 2021, Yandex, VTB Bank, LANIT Group, and Gigabyte founded a joint venture to start producing servers in Russia in 2022.

In October 2021, construction of a new plant in Ryazan Oblast was launched with 1 billion roubles during the first stage of investments.

On 28 April 2022, Yandex announced the sale of its news and blogging products to VK.

A Meduza investigation revealed that Yandex's top news was influenced by a secret list of Russian media approved by the Presidential Administration, highlighting concerns about media manipulation and censorship.

Yandex announced the acquisition of Delivery Club from VK in exchange for Yandex.Zen and Yandex.News.

On December 30, 2022, Arkady Volozh announced his departure from Yandex through a letter to employees on the company's internal portal.

On January 25, 2023, a leaked archive with approximately 44 GB of Yandex services was shared on BreachForums via BitTorrent.

Yandex launched its YaGPT neural network on May 17, 2023, which is similar to the ChatGPT neural network.

On 7 June 2023, Yandex launched a test of its first self-driving taxi in Moscow, demonstrating the company's progress in autonomous vehicle technology.

In February 2024, Yandex N.V. announced the sale of the majority of its Russia-based assets to a consortium of Russia-based investors. This marked a significant strategic move for the company.