| Nicușor Dan excelled in the International Mathematical Olympiads in 1987 and 1988, securing first place. | 
| At 18, he relocated from Brașov County to Bucharest for higher studies. | 
| In 1992, he moved to France to further his education in mathematics. | 
| His Ph.D. thesis focused on 'Courants de Green et prolongement méromorphe,' supervised by Christophe Soulé and Daniel Barsky. | 
| He returned to Bucharest post-Ph.D. due to cultural differences. | 
| In 1998, he established the 'Young People for Civic Action' Association, attempting to engage youth in transforming Romania. | 
| Though not completely successful, the organization conducted two forums for young expatriate students in 2000 and 2002. | 
| The creation of the ‘Ad Astra’ Association of Romanian researchers in 2000 was a key outcome of these forums. | 
| In 2000, he criticized public displays of homosexuality in Romania, opposing what he viewed as a challenge to traditional values. | 
| He founded the 'Save Bucharest' Association in 2006 to address urban issues and preserve city heritage. | 
| The association published a significant report titled 'Bucharest, an urbanistic disaster' in 2008, outlining critical city problems. | 
| During the 2008 elections, he collaborated with NGOs to form a 'Pact for Bucharest' with mayoral candidates. | 
| Nicușor Dan contested for Mayor of Bucharest in 2011, rallying support through social media for his campaign. | 
| He pioneered the establishment of a university modeled after the French educational system, eventually annexed by the Romanian Academy. | 
| His organization pursued various legal challenges, winning numerous cases against the local government to protect urban heritage. | 
| Dan's campaign included creative fundraising efforts, like a live music event that garnered thousands of signatures in hours. | 
| He garnered political support but faced opposition highlighted by internal party conflicts regarding social issues. | 
| Despite not winning initially in the 2016 elections, he transformed his party into a national political entity. | 
| His political journey has involved significant transformations within Romanian politics and public engagement. | 
| In 2024, he contested for a second term as Mayor of Bucharest, winning against several established political parties. | 
| He has been a prominent advocate against corruption and pushed for reform in Bucharest's governance. |