Slavia Sofia

On 10 April 1913, a group of young people living near a Russian Monument in Sofia and representatives of the local capital clubs Botev and Razvitie, in a coffee-house – Alabin str. in Sofia, decided to establish an incorporated sports club, the first organized sport club in Sofia. The new incorporated club was named Slavia. Dimitar Blagoev – Palio, a 21-year-old student, was elected as the first president of the club. As members of the first club administrative council were elected Emanuil Geshev, Ferdinand Mihaylov, Tsvyatko Velichkov, Georgi Grigorov and Todor Kalkandzhiev.

A few days later, was elected the first football team of the club – Stefan Lalov, Ilia Georgiev, Emanuil Geshev, Todor Kalkandzhiev, Stefan Chumpalov, Dimitar Blagoev – Palio (all of them from Botev) and Pavel Grozdanov, Ferdinand Mihaylov, Boris Sharankov, Asen Bramchev, Dimitar Cvetkov (all of them from Razvitie). The first sport dresses of the club were white shirts and black shorts. Since 1924, the team has played with white shirts and white shorts and up to present days it is popular as the "White pride". On 11 August 1913, Slavia played its first match, against local club Savata, and won 1–0.

After World War I, Slavia began to become more successful. On 5 June 1928, the club won its first champion title, winning 4–0 in the final match against Vladislav Varna. Slavia won the title five more times until 1946, in 1930, 1936, 1938–39, 1941 and 1943.

Slavia won its first Bulgarian Cup in 1952. By winning the 1963 Bulgarian Cup Final, Slavia qualified for the European Cup Winners' Cup, the club's first appearance in European competition. They were drawn against Hungarian club MTK Budapest in the first round. Slavia were eliminated from the competition 2–1 on aggregate. Its most important achievements in Europe during 1966–67 Cup Winners' Cup campaign when Slavia eliminated Swansea City, Strasbourg and Servette, before being eliminated by Rangers in the semi-finals. The team consisted of great players such as goalkeeper Simeon Simeonov, Ivan Davidov, Aleksandar Shalamanov, Dimitar Largov, Dimitar Kostov and Aleksandar Vasilev.

In 1969, Slavia was merged with Lokomotiv Sofia under the name ZhSK Slavia. Two years later, the two clubs split again after a split was supported by 100,000 fans.

In the 1980–81 season, led by Chavdar Tsvetkov and Andrey Zhelyazkov, Slavia reached the quarter-finals of the Cup Winners' Cup before losing 6–3 on aggregate to Feyenoord. In 1986, Slavia won Balkans Cup, defeating Greek side Panionios 5–3 on aggregate in the final. In 1988, Slavia won the Balkans Cup for the second time.

In 1994, Stoyan Kotsev, the former Slavia midfielder, was appointed as the club's new manager. After finishing fourth in 1995, they went on to win the A PFG title in 1995–96. Slavia finished with five points more than second-placed Levski Sofia. This marked Slavia's first Bulgarian title since 1943. In the 2010–11 season, Slavia reached the Bulgarian Cup final, defeating Ludogorets Razgrad, Etar 1924, Chernomorets Burgas and Pirin Blagoevgrad en route. However, they lost the final 1–0 to CSKA Sofia.

In 2018, Slavia won the Bulgarian Cup for the eight time in its history, defeating rivals Levski Sofia at the Vasil Levski National Stadium after a penalty shootout. This enabled the team to play in the 2018-19 UEFA Europa League second qualifying round. In the second qualifying round, Slavia eliminated Finnish side FC Ilves. However, in the third qualifying round, they lost to Hajduk Split of Croatia, thus being eliminated.

The 2019–20 season was very successful for Slavia. The team finished in third place, qualifying for the Europa League playoff. Slavia clinched the third place in the last round of the season, defeating champions Ludogorets 3–1 at home, while Levski Sofia lost 1–2 to Lokomotiv Plovdiv, thus making Slavia third. This was Slavia's best placement since the 1996–97 season.