Question: Which was built later, One World Trade Center or Latting Observatory?

Context articles: World Trade Centers Association
World Trade Center in film
Construction of One World Trade Center
World Trade Center Bhubaneswar
Guy F. Tozzoli
List of tenants in One World Trade Center
One World Trade Center
World Trade Center (Portland, Oregon)
Latting Observatory
4 World Trade Center

The World Trade Centers Association (WTCA) was founded in 1968 following the establishment of the first World Trade Center in New Orleans and followed later in 1973 by the better known World Trade Center and Twin Tower buildings in New York City.
 WTCA is a not-for-profit, non-political association dedicated to the establishment and effective operation of World Trade Centers (WTCs) as instruments for international trade expansion.
 The association represents 316 members in 91 countries (World Trade Center of Grenoble in France for example).
 The WTCA is an unofficial umbrella trade association that unites corporations and government agencies in international trade.
This is a list of films that featured the World Trade Center.
 Most are prior to its destruction as a result of the September 11, 2001 terrorist attacks, but some feature the new World Trade Center ("see One World Trade Center in popular culture for the new One World Trade Center in film").
Construction of One World Trade Center was deferred until 2006 because of disputes between the Port Authority of New York and New Jersey and the developer.
 Tishman Realty & Construction is the selected builder.
 The building reached ground level on May 17, 2008, and was topped out on May 10, 2013.
 One World Trade Center opened to tenants on November 3, 2014, and One World Observatory opened to the public on May 29, 2015.
World Trade Center Bhubaneswar (also known as WTC Bhubaneswar) is a 40 floors tall building in Bhubaneswar, Odisha, India.
 This will be the fifth World Trade Centre to be operationalised in India and the 344th in the world.
 It is developed by Populous (company).
 The center will consist of 200 room hotel, 50,000 sqft of indoor exhibition hall, multipurpose convention hall to accommodate 4000 delegates, small convertible meeting halls to host 12 - 16 events simultaneously, an open area to accommodate up to 25,000 people and an open amphitheatre.
 The World Trade Center Bhubaneswar will be tallest building in Odisha.
 The Convention Center will be connected to all nearby hotels and the World Trade Center through a skywalk.
 For now, the World Trade Center Bhubaneswar is functioning from IDCO Towers, in Janpath, Bhubaneswar.
Guy Frederick Tozzoli (February 12, 1922, North Bergen, New Jersey – February 2, 2013, Myrtle Beach, South Carolina) was director of the World Trade Department of the Port of New York Authority in the 1960s.
 As such he was the driving force behind the development of the World Trade Center.
 Tozzoli was also a founder of the World Trade Centers Association, which fostered the development and operation of World Trade Centers globally.
 Tozzoli was the driving force from New York City, while his business associates Soichiro Honda and Paul Fabry led the WTC effort in Tokyo and New Orleans respectively.
 Tozzoli graduated from Fordham University and later served his country as a lieutenant in World War II and the Korean War.
 Tozzoli was credited for hiring Minoru Yamasaki to design the World Trade Center complex which was dedicated in April, 1973.
 Tozzoli retired as Director of the World Trade Department for the Port Authority in 1987, but remained as president of the World Trade Centers Association until January 2011.
The original One World Trade Center (also known as the North Tower, Tower 1, Building One, or 1 WTC) was one of the Twin Towers of the original World Trade Center in New York City.
 It was completed in 1972, standing at a height of 417 m , and was the tallest building in the world until being surpassed by the Sears Tower in Chicago in 1973.
 It was distinguishable from its twin, the original Two World Trade Center, also known as the South Tower, by the 110.3 m telecommunications antenna on its roof.
 Including the antenna, the building stood at a total height of 527.3 m .
 The building's address was One World Trade Center, with the WTC complex having its own ZIP code of 10048 due to its large size.
One World Trade Center (also known as 1 World Trade Center, 1 WTC or Freedom Tower ) is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City.
 It is the tallest building in the Western Hemisphere, and the sixth-tallest in the world.
 The supertall structure has the same name as the North Tower of the original World Trade Center, which was destroyed in the terrorist attacks of September 11, 2001.
 The new skyscraper stands on the northwest corner of the 16 acre World Trade Center site, on the site of the original 6 World Trade Center.
 The building is bounded by West Street to the west, Vesey Street to the north, Fulton Street to the south, and Washington Street to the east.
The World Trade Center is a three-building office complex in Portland in the U.S. state of Oregon.
 The main building, One World Trade Center, is a 17-story office tower that is the fifth-largest office tower in Portland with 474867 sqft .
 Completed in 1977, One World Trade Center is 230 ft tall and is topped by a heliport.
 The complex is operated by the World Trade Centers Association and is the headquarters for Portland General Electric.
 There is also a 220-seat theater, known as the World Trade Center Auditorium.
The Latting Observatory was a wooden tower in New York City built as part of the 1853 Exhibition of the Industry of All Nations, adjoining the New York Crystal Palace.
 It was located on the North side of 42nd Street between Fifth Avenue and Sixth Avenue across the street from the site of present-day Bryant Park.
 Conceived by Waring Latting and designed by architect William Naugle, the observatory was an octagonally-based, iron-braced wooden tower 315 ft high adjoining the Crystal Palace, with landings at three levels on the structure, allowing visitors to see into Queens, Staten Island and New Jersey.
 The tower, taller than the spire of Trinity Church at 290 ft , was the tallest structure in New York City from the time it was constructed in 1853 until it burned down in 1856.
 The tower's base was a 75-foot square, tapering to a top of six to eight feet.
 It could handle up to 1,500 people at a time.
4 World Trade Center (also known by its street address, 150 Greenwich Street) is a skyscraper that is part of the World Trade Center complex in New York City.
 It opened to tenants and the public on November 13, 2013.
 It is located on the southeast corner of the 16 acre World Trade Center site, where the original nine-story 4 World Trade Center stood.
 Pritzker Prize-winning architect Fumihiko Maki was awarded the contract to design the 978 ft building.
 s of 2016 , it is the third tallest skyscraper at the rebuilt World Trade Center, behind One and 3 World Trade Center.
 However, 2 World Trade Center is expected to surpass the height of both buildings upon completion.
 The total floor space of the building includes 1.8 million square feet (167,000 square meters) of office and retail space.
 The building's groundbreaking took place in January 2008.