Quad summits from 2021 virtual meeting to Wilmington in 2024: A timeline

Prime Minister Narendra Modi landed in Philadelphia Saturday to begin his three-day US trip with the Quad Leaders' Summit being held in Wilmington, Delaware.

The Quad Leaders' Summit this year was earlier supposed to be held in India, but US President Joe Biden was keen to hold the event in his hometown.

This will be a farewell summit for both Biden and Japanese Prime Minister Fumio Kishida as they near the end of their terms in office -- January 20, 2025 for the US president and Oct 1 for Japanese prime minister.

The fourth leader attending the meeting is Australian Prime Minister Anthony Albanese.

Here's a look at previous summits.-- May 20, 2023 (Hiroshima, Japan)

Format: In-person

Attending leaders: PM Albanese, PM Modi, PM Kishida, and President BidenNotes: Australia was the host of the summit for the year, and was supposed to hold the summit in Sydney just after the G7 Hiroshima Summit. However, President Biden postponed his trip to Australia and Papua New Guinea at th