# R1 | perplexity/sonar-pro | run 2

## Prompt

In what year was the Eiffel Tower completed, and how tall is it including antennas? Cite your sources.

## Response

The Eiffel Tower was completed in **1889**, with construction finishing on **31 March 1889**.[Eiffel Tower history](https://www.toureiffel.paris/en/the-monument/history) It is now **330 metres (1,083 feet)** tall when measured to the top of its antennas.[Eiffel Tower | Britannica](https://www.britannica.com/topic/Eiffel-Tower-Paris-France)

## Completion year

- The official construction period is 1887–1889, and the tower was finished on **31 March 1889**.[Eiffel Tower - Wikipedia](https://en.wikipedia.org/wiki/Eiffel_Tower)[Eiffel Tower history](https://www.toureiffel.paris/en/the-monument/history)  
- The Eiffel Tower’s own site states: “The construction work began in January 1887 and was finished on **March 31, 1889**.”[Eiffel Tower history](https://www.toureiffel.paris/en/the-monument/history)  
- The tower was dedicated/opened in a ceremony on that same date, 31 March 1889, before opening to the public on 15 May 1889.[Eiffel Tower opens | HISTORY](https://www.history.com/this-day-in-history/march-31/eiffel-tower-opens)[Eiffel Tower | Britannica](https://www.britannica.com/topic/Eiffel-Tower-Paris-France)

## Height including antennas

- Current total height (including antennas) is **330 metres (1,083 feet)**.[Eiffel Tower - Wikipedia](https://en.wikipedia.org/wiki/Eiffel_Tower)[Eiffel Tower | Britannica](https://www.britannica.com/topic/Eiffel-Tower-Paris-France)  
- The official Eiffel Tower site lists the **current height** as **1,083 feet**, confirming the same figure.[Eiffel Tower facts](https://www.toureiffel.paris/en/the-monument/key-figures)  
- A 2022 update from the tower’s site notes that a new digital radio (DAB+) antenna increased the height to **1,083 feet (330 metres)**.[133 years and 330 metres](https://www.toureiffel.paris/en/news/history-and-culture/133-years-and-1083-feet)

Would you like a brief timeline of the Eiffel Tower’s construction and major height changes over time?
