On 7 October 1737, a natural disaster struck the city of Calcutta (modern-day Kolkata) in India. For a long time this was believed in Europe to have been the result of an earthquake, but it is now believed to have been a tropical cyclone. Thomas Joshua Moore, the duties collector for the British East India Company in Calcutta, wrote in his official report that a storm and flood had destroyed nearly all the thatched buildings and killed 3,000 of the city's inhabitants. Other reports from merchant ships indicated an earthquake and tidal surge were to blame, destroying 20,000 ships in the harbor and killing 300,000 people. The population of Calcutta at the time was around 3,000–20,000.
On 7 October 2001, he played his first competitive match, a 2002 World Cup qualifier against Azerbaijan, scoring his first ever international goal in a 3–0 win as Sweden topped their group to qualify for the upcoming tournament.
On October 7, 2001, the War in Afghanistan began when U.S. and British forces initiated aerial bombing campaigns targeting Taliban and al-Qaeda camps, then later invaded Afghanistan with ground troops of the Special Forces.
At age 16, Ronaldo was promoted from Sporting's youth team by first-team manager László Bölöni, who was impressed with his dribbling. He subsequently became the first player to play for the club's under-16, under-17 and under-18 teams, the B team, and the first team, all within a single season. A year later, on 7 October 2002, Ronaldo made his debut in the Primeira Liga, against Moreirense, and scored two goals in their 3–0 win.
On 7 October 2012, Chávez won election as president for a fourth time, his third six-year term. He defeated Henrique Capriles with 54% of the votes versus 45% for Capriles, which was a lower victory margin than in his previous presidential wins. Turnout in the election was 80%, with a hotly contested election between the two candidates. There was significant support for Chávez amongst the Venezuelan lower class. Chávez's opposition blamed him for unfairly using state funds to spread largesse before the election to bolster Chavez's support among his primary electoral base, the lower class.
General elections were held in Brazil on 7 October 2018 to elect the President, Vice President and the National Congress. Elections for state governors and vice governors, state legislative assemblies and the Legislative Chamber of the Federal District were held at the same time. On 7 October 2018, Rio de Janeiro congressman Jair Bolsonaro came first in the first round of the presidential election. A run-off between him and former São Paulo mayor Fernando Haddad was held on 28 October 2018. At 22:06 GMT, with 88% reporting, Bolsonaro was declared the winner with over 50% of the popular vote.
Mallet (Victor Mallet visa controversy is an incident in Hong Kong in 2018 that many pundits consider as having major implications for freedom of speech in Hong Kong. The Foreign Correspondents' Club scheduled a lunchtime talk for 14 August) was subjected to a four-hour interrogation by immigration officers on his return from Thailand on Sunday 7 October before he was finally allowed to enter Hong Kong.