By 1900, close to one-third of the population in the Senegambia region had been enslaved between 1300 and 1900, typically as a result of being taken captive in warfare.
In 1914, Yoro Dyao served as chief of Wâlo (Ouâlo), set over by Louis Faidherbe since 1861.
In 1915, over 300 Senegalese came under Australian command before the taking of Damascus.
In September 1940, the Allies unsuccessfully attempted to capture Dakar and overthrow the pro-German Vichy French administration.
In 1950, infant mortality in Senegal was 157 per 1,000 live births.
In 1953, the first Bahá'is arrived in the territory of French West Africa that would become Senegal.
In November 1958, Senegal became an autonomous republic within the French Community.
In January 1959, Senegal and the French Sudan merged to form the Mali Federation.
On April 4, 1960, Senegal signed a transfer of power agreement with France.
On June 20, 1960, the Mali Federation became fully independent.
In August 1960, Léopold Sédar Senghor was elected as Senegal's first president.
In August 1960, the Mali Federation broke up, and Senegal and French Sudan each proclaimed independence.
French was ratified as the official language of Senegal in 1960, upon the country's independence.
In 1960, Senegal was founded and recognized as one of the most stable countries on the African continent.
In 1961, Portuguese was introduced in Senegal's secondary education in Dakar by President Léopold Sédar Senghor.
In December 1962, political rivalry between Senghor and Prime Minister Mamadou Dia led to an attempted coup by Dia.
In 1963, Senegal petitioned the United Nations Security Council regarding the continued violating of Senegal's borders by the Portuguese military.
Since 1963, over 4,000 Peace Corps Volunteers have served in Senegal.
From 1965, the Senegalese Progressive Union was the only legally permitted party.
In 1965, Senegal petitioned the United Nations Security Council regarding the continued violating of Senegal's borders by the Portuguese military.
In 1966, the first Bahá'í Local Spiritual Assembly of Senegal was elected in Dakar.
In 1968, a World Constituent Assembly convened in Senegal to draft and adopt the Constitution for the Federation of Earth.
In 1969, Senegal petitioned the United Nations Security Council regarding the continued violating of Senegal's borders by the Portuguese military, in response to shelling by Portuguese artillery.
In 1971, Senegal petitioned the United Nations Security Council regarding the continued violating of Senegal's borders by the Portuguese military.
In 1972, Senegal petitioned the United Nations Security Council regarding the continued violating of Senegal's borders by the Portuguese military.
In 1975, Senghor allowed the formation of two opposition parties.
In 1975, the Bahá'í community elected the first National Spiritual Assembly of Senegal.
In 1976, a Marxist party and a liberal party began operation.
In 1979, Senegal began hosting the Paris-Dakar Rally, an off-road endurance motorsport race from Paris, France, to Dakar, Senegal.
In 1980, Senghor decided to retire from politics.
In 1981, Abdou Diouf became the president of Senegal.
In February 1982, Senegal joined with The Gambia to form the Senegambia Confederation.
In 1983, Mamadou Dia ran against Abdou Diouf, but lost.
The fertility rate was 6.4 in Senegal in 1986.
In 1988, Senegal was a member of the UN Security Council.
In 1989, an estimated 40,000 Mauritanians were expelled from their home country, with 35,000 remaining in Senegal.
In 1989, the Senegambia Confederation was dissolved.
In 1996, Senegal achieved full Internet connectivity, leading to a boom in information technology services.
In 1997, Senegal was elected to the UN Commission on Human Rights.
The fertility rate was 5.7 in Senegal in 1997.
In 1999, Abdoulaye Wade defeated Diouf in the presidential election.
In 1999, Senegal established a Senate.
In 2000, Abdou Diouf's presidency ended.
In 2000, Senegal sent a battalion to the Democratic Republic of Congo to participate in MONUC.
In January 2001, Articles 21 and 22 of the Constitution guaranteed access to education for all children in Senegal.
From 2001 to 2008, the term of the president was five years.
In 2001, Senegal removed the Senate.
Senegal signed the African Charter of Human and People's Rights during the 2003 African Union Summit.
On December 30, 2004, President Wade announced he would sign a peace treaty with the separatist group in Casamance.
In 2004, Public expenditure on health in Senegal was at 2.4 percent of the GDP, whereas private expenditure was at 3.5 percent. Health expenditure was at US$72 (PPP) per capita.
According to a 2005 report, the population of Senegalese Bahá'ís was detailed at 22,000.
In 2005, the fertility rate ranged 5 to 5.3.
In 2005, the net primary enrollment rate in Senegal was 69 percent.
In 2005, there was a round of peace talks regarding Casamance separatists, but the results have not yet yielded a resolution.
In 2006, Senegal's gum arabic exports soared to $280 million, becoming the leading agricultural export.
According to the World Refugee Survey 2008, in 2007, Senegal had a refugee and asylum seeker population numbering approximately 23,800.
In 2007, Senegal re-established the Senate.
In 2007, the last Paris-Dakar Rally was held in Senegal before being canceled the following year.
From 2008 to 2016, the term of the president was seven years.
In 2008, Senegal finished in 12th position on the Ibrahim Index of African Governance.
The 2008 Dakar Rally, which was to be hosted in Senegal, was canceled a day before the event due to security concerns in Mauritania.
In 2009, Freedom House downgraded Senegal's status from "Free" to "Partially Free".
In 2010, the African Renaissance Monument was built in Dakar, becoming the tallest statue in Africa.
On February 22, 2011, Senegal severed diplomatic ties with Iran.
In June 2011, several youth opposition movements emerged.
In March 2012, Macky Sall was elected as the fourth president.
In March 2012, Macky Sall was elected as the new President of Senegal.
On September 19, 2012, lawmakers voted to do away with the Senate.
In December 2012, President Macky Sall held talks with rebels in Rome.
According to a 2012 Pew demographic study, 55% of Muslims in Senegal are Sunni of the Maliki madhhab with Sufi influences.
As of 2012, Senegal's Ibrahim Index rank declined to 16th of 52 African countries.
In 2012, Macky Sall won the election, and Wade conceded it to Sall.
In 2012, Senegal removed the Senate again.
According to a 2013 UNICEF report, 26% of women in Senegal have undergone female genital mutilation.
In 2013, a Pew Research Center survey revealed that 96% of Senegalese believe homosexuality should not be accepted by society.
In January 2014, Senegalese authorities seized a Russian trawler, Oleg Naydenov, for illegal fishing near the maritime border with Guinea-Bissau.
By 2014, Senegal had recovered its "Free" status.
In 2014, the Senegalese men's basketball team outperformed all other African nations at the FIBA World Cup, reaching the playoffs for the first time.
In 2015, Senegal participated in the Saudi Arabian-led military intervention in Yemen.
In 2015, Senegal was a member of the UN Security Council until 2016.
In 2015, Senegal was a member of the UN Security Council until 2016.
In 2016, life expectancy at birth in Senegal was estimated to be 66.8 years.
In 2016, the NBA announced the launch of an Elite's Academy in Africa, located in Senegal.
In 2016, the president of Senegal was elected every five years.
In August 2017, the ruling party won a landslide victory in the parliamentary election.
By 2018, infant mortality had declined to 32 per 1,000 live births in Senegal.
In February 2019, Macky Sall was reelected as president.
According to 2019 estimates, the major ethnic groups in Senegal include Wolof (39%), Fula (27.5%), and Serer (16%).
In 2019 president Macky Sall easily won re-election in the first round.
In 2019, Senegal's Forest Landscape Integrity Index mean score was 7.11/10, ranking it 56th globally out of 172 countries.
In 2019, Senegal's national team were runners-up in the Africa Cup of Nations.
When Senegal hosted the 2019 FIBA Women's AfroBasket, the Dakar Arena saw record attendance for basketball in Africa with 15,000 fans.
In March 2020, the COVID-19 pandemic began in Senegal, leading to the imposition of a curfew.
As of April 2020, Senegal's energy sector has an installed capacity of 1431 megawatts (MW).
In November 2020, Aïssata Tall Sall took office as the Foreign Minister of Senegal.
As of 2020, Senegal's largest export markets are Mali (20.4%), Switzerland (12.2%), and India (8.3%).
Since March 2021, Senegal has been rocked by a series of mass protests in response to the arrest of Ousmane Sonko.
In June 2021, Senegal's Agency for Universal Health launched sunucmu.com (SunuCMU), a website aimed at streamlining health care in the country.
In July 2021, Senegal experienced a significant increase in cases of coronavirus disease.
In 2022, it was estimated that speakers of French made up 26% of the Senegalese population.
In 2022, the Senegalese national football team won the Africa Cup of Nations for the first time, defeating Egypt.
In June 2023, the protests turned increasingly violent, resulting in 23 fatalities.
In March 2024, Bassirou Diomaye Faye won Senegal's presidential election, becoming the youngest president in Senegal's history.
On March 25, 2024, Bassirou Diomaye Faye became the fifth democratically elected president of Senegal.
On April 2, 2024, Bassirou Diomaye Faye was sworn in as president.
In November 2024, Faye announced that France will withdraw its troops from Senegal and close its bases by the end of 2025.
In 2024, Bassirou Diomaye Faye invited the king of Morocco on his swearing ceremony.
In 2024, Senegal ranked as the 84th most peaceful country in the world, according to the Global Peace Index.
In 2024, Senegal was ranked 68th in electoral democracy worldwide and 4th in Africa according to the V-Dem Democracy Indices.
Senegal was ranked 92nd in the Global Innovation Index in 2024.
In November 2024, Bassirou Diomaye Faye announced that France will withdraw its troops from Senegal and close its bases by the end of 2025.
In 2026, Senegal will host the Summer Youth Olympics in Dakar, making it the first African country to host an Olympic event.