• The Amboyna Massacre - twenty servants of British East India Company, Portuguese and Japanese were tortured and killed by the agents of Dutch East India Company at Ambon Island in Indonesia in the year 1623

• Anandarangam (1709-1761), was born to a leading merchant of the time named Tiruvengadam Pillai
• After his father's death at Pondicherry, in view of the support given by the French Governors Dumas and Dupleix became the greatest merchant at Pondicherry. 
• Dupleix appointed him the Chief Dubhashi (one who knows two languages) and Chief Commercial Agent (1746). This enabled him to emerge as a man of substantial political influence at Pondicheriy.

The Battle of Ambur (1749)
Muzaffar Jung, the contender for Nizami of Hyderabad, and Chanda Sahib, a claimant to the Nawab of Carnatic, with the help of the disciplined French infantry inflicted huge casualties on the Nizam and Anwar-ud-din's forces. Anwar-ud-din was killed. Chanda Sahib entered Arcot as the Nawab. Muhammad Ali, son of Anwar-ud-din, escaped to Tiruchirappalli.

• Denmark and Norway (together till 1813) possessed colonial settlements in India and Tamil Nadu.
• Tarangambadi or Tranquebar in Tamil Nadu, Serampore in West Bengal and Nicobar Islands were their possessions in India. On March 17, 1616 the King of Denmark, Christian IV, issued a charter and created a Danish East India Company.
• This Company did not get any positive response from the Danish traders. Admiral Ove Gjedde led the first expedition to Ceylon in 1618. The Danes could not get any trade contract in Ceylon.
• While they were returning in disappointment their main vessel was sunk by the Portuguese at Karaikkal. Thirteen stranded sailors with their trade director Robert Crappe were taken to the Nayak ruler of Thanjavur.
• Robert Crappe ably negotiated with the Thanjavur King and struck an agreement. According to the agreement signed on 20 November 1620, the Danes received the village ofTarangambadi or Tranquebar and the right to construct a Fort there.

• The Portuguese who established a control over Pulicat since 1502 were overthrown by the Dutch.
• In Pulicat, located 60 kilometers north of Chennai, the Dutch built the Castle Geldria. The remains of this 400 year old fort can be seen even now. This fort was once the seat of Dutch power.
• The Dutch established control of Masulipatnam in 1605 and they established their settlement at Pulicat in 1610. The other Dutch colonial forts and possessions include Nagapattinam, Punnakayal, Porto Novo, Cuddalore (Tiruppathiripuliyur) and Devanampatinam.
• Pulicat served as the Coromandel headquarters of the Dutch East India Company. Diamonds were exported from Pulicat to the western countries. Nutmeg, cloves, and mace too were sent from here to Europe.
• A gun powder factory was also set up by the Dutch to augment their military power.
• One less known fact about the Dutch is they were involved in slave trade. People from Bengal and from settlements such as Tengapattinam and Karaikal were brought to Pulicat.
• The Dutch employed brokers at Madras for catching and shipping slaves. Famines, droughts and war that resulted in food shortage led to the flourishing of the slave trade.