40 years after the 1876 Centennial, one of its originators felt the time had come for his hometown to host a second international exposition. In 1876, John Wanamaker was a 39-year-old merchant whose new emporium, the Grand Depot, had prospered thanks to the millions of world’s fair visitors. Wanamaker was also a key player on the Centennial Board of Finance, ensuring the fair’s success through his drive and determination.

In 1916, the 78-year-old Wanamaker was an iconic figure in American commerce with a net worth approaching $100 million. His emporium, housed since 1911 in an elegant Italianate palazzo designed by Daniel H. Burnham (Director of Works at the 1893 Columbian Exposition in Chicago) was one of America’s great department stores.

Wanamaker published an open letter in August 1916 to Philadelphians in local newspapers, scolding them for doing nothing to advance the city since 1876. “Are we to wait for 1976 to show our hand again in another Centennial?” he asked. “Why not celebrate the century and a half in 1926, and begin to get ready now?” In January 1917, a resolution was introduced in the Pennsylvania House of Representatives to create a Sesqui-Centennial Commission. (Sesqui is a Latinate term for “and a half,” making a sesquicentennial a “century and a half.”)

America’s entry into the Great World War postponed Wanamaker’s world’s fair campaign. However, in 1921 the Sesqui-Centennial Exhibition Association (SCEA) was incorporated, consisting of 100 of Philadelphia’s foremost citizens. The 83-year-old Wanamaker was named honorary SCEA chairman.

Civic leaders assumed the Sesqui-Centennial would be staged on the new Fairmount Parkway (renamed the Benjamin Franklin Parkway in 1937) and adjacent areas of Fairmount Park. The great boulevard running diagonally from City Hall to the Fairmount Plateau had opened officially in October 1918. The “Sesqui” would transform the undeveloped roadway into Philadelphia’s answer to the Avenue des Champs-Élysées in Paris. In 1920, Parkway co-designer Paul Philippe Cret unveiled preliminary Sesqui plans. Cret proposed a monumental entrance to the fairgrounds at Logan Circle, which by 1926 would be framed by magnificent civic structures, including the Free Library of Philadelphia.

Above Logan Circle, the Parkway would be lined with temporary pavilions. After the exposition, these would be replaced with permanent structures housing government offices and civic institutions. The Parkway would terminate in a magnificent museum of art atop the Fairmount Plateau. Beyond the museum, new roads through East Fairmount Park would lead to a stadium and an aviation field. An elegant bridge across the Schuylkill River would guide visitors past fountains and gardens to a string of state and foreign pavilions leading to the Zoological Gardens and the Sesquicentennial grounds.

Cret’s visionary plan won the support of the Fairmount Park Commission, the City Art Jury, and most of the city’s newspapers. The Bulletin opined that Philadelphia would be reborn as a “City Beautiful, as a by-product of the Exposition, which will return dividends on the investment long after the great fair shall have passed into history.”

Sadly, this vision sank in the mire of Philadelphia politics after John Wanamaker died in December 1922 at the age of 84. While the Mayor and City Council battled for control of the stalled project, disgusted civic leaders resigned from the SCEA. The Sesqui got a new lease on life when Receiver of Taxes W. Freeland Kendrick was elected mayor in November 1923. Kendrick had himself elected president of the moribund SCEA, which he packed with political allies.

Kendrick confirmed that Philadelphia would host the Sesqui-Centennial from June to December 1926. He also announced that the fair location had been moved from the Parkway to League Island Park, situated at the tip of South Philadelphia above the Navy Yard. This region had long been known as the Neck. League Island Park had been partially laid out by the Olmsted Brothers from 1912-13, but its development was abandoned during World War I.

Many Philadelphians were stunned by the move. In 1922, a council of designers had rated the Neck 13th out of 13 possible locations for the Sesqui, while giving Fairmount Park and the Parkway top marks. The Neck was Philadelphia’s most remote, isolated, and impoverished district–a marshland dotted with farms, pigsties, and trash heaps. Only one paved road, South Broad Street, connected it to City Hall, three and a half miles north.

However, the Neck was in the heart of Congressional District No. 1, represented by U.S. Congressman William S. Vare, Philadelphia’s undisputed political boss. As head of the Republican machine in what was then a solidly Republican city, Vare controlled nearly every elected official and civil servant in Philadelphia, including its mayor. By moving the Sesqui to the Neck, Kendrick was delivering thousands of jobs to his patron’s constituents, as well as a comprehensive infrastructure.

Vare would profit handsomely from the Sesqui move. His construction and contracting businesses would receive lucrative contracts to prepare the fairgrounds and build its structures. Any other contractors who hoped to win contracts would have to pay Vare handsomely to play in the Sesqui game. Vare could either lease or sell his extensive real estate holdings in the Neck to the fair management at inflated prices.

Plans were drawn up for a 1,000-acre fairground between Packer Avenue and the Navy Yard. Architects began to create fantastic designs for the first postwar World’s Fair in America, with an expected attendance of 50 million. At Oregon Avenue north of the main entrance, an 80-foot-tall replica of the Liberty Bell would span South Broad Street as a ceremonial gateway. At night, the 26,000 multi-colored bulbs studding its metal skin would turn it into a glimmering beacon visible as far north as City Hall.

The second wonder of the Sesqui would be the 175-foot-tall Tower of Light, a gigantic Art Deco spire topped by the “Light of Independence,” a searchlight capable of producing a beam visible 70 miles away. Located between the two main exhibition halls, the tower would soar above the Forum of the Founders, the central court of the Sesqui.

The event’s permanent legacy would include a new stadium capable of seating 100,000, designed by Simon & Simon. A modern sports arena had been a major priority for Philadelphia since the city lost the Army-Navy football game because Franklin Field was too small for the crowds.

Yet, before ground could be broken for a single structure, the City had to truck in nearly two million cubic yards of fill dirt to bolster the swampy soil of League Island Park. Not only did this cause further delays to a construction program already far behind schedule, but it rendered the Sesqui effectively insolvent.

By the end of 1925, the SCEA had received no funds for the Sesqui from either the federal or the state government. The City of Philadelphia had already spent over $10 million on the fair, mostly on landfill. An 11th-hour bond drive raised $3 million, enabling construction to begin on major structures. However, many attractions were scrapped, while corners were cut on the survivors. By early 1926, the only structure close to completion was the Sesqui Stadium. The Philadelphia Inquirer published an investigative report which charged that the arena was shoddily built and possibly unsafe.

Elsewhere, civic projects meant to transform Philadelphia were also far from completion. At Logan Circle, the central branch of the Free Library would not open until 1927. The Museum of Art atop the Fairmount Plateau was even more incomplete and would not open its doors until 1928. Meanwhile, construction was accelerated on the new Delaware River Bridge at Vine Street.

During early 1926, Philadelphia poured millions of dollars into round-the-clock construction so that something resembling a world’s fair would be ready on May 31, the Sesqui’s opening day. Despite this blitz, the sparsely attended inaugural parade marched under a giant Liberty Bell at Oregon Plaza still swathed in scaffolding.

Only two minor exhibits were open for business. The Sesqui’s vast exhibition halls were empty except for workmen installing displays. Ground hadn’t been broken for many smaller structures, including the few foreign pavilions allowing the Sesqui to call itself an international exposition. A thunderstorm on opening day turned the unpaved walkways into bogs capable of sucking shoes off the feet of visitors. Despite rushed construction on additional streetcar lines, the Broad Street trolley was the only mass transit in operation, resulting in lengthy waits to return to Center City.

Over 200,000 Shriners traveled to Philadelphia for the Sesqui opening, which had been moved up 24 hours to coincide with their annual convention. They were the guests of Mayor Kendrick, a former Imperial Potentate of the Mystic Shrine. After three days of searching in vain for any amusements, they returned home and spread the word that “Kendrick’s Karnival” was a bust. It was a public relations fiasco from which the Sesqui never recovered. Fewer than 300,000 people visited the fair during its first full month instead of the anticipated five to eight million.

No single structure epitomized the unfulfilled promise of the Sesqui more than the Tower of Light. By mid-July, all that had been constructed of the Art Deco marvel was a steel skeleton resembling a fire ranger’s tower. It had cost over $365,000 to bring the tower to this rudimentary stage when the City ran out of funds to complete the project. The Light of Independence consisted of one small beacon tacked on top.

The struggling Sesqui was further hampered by one of Philadelphia’s wettest summers, with rain on 107 of the fair’s 184 days of operation. Before long, its shoddy infrastructure began to crumble. During a torrential storm on July 4, workmen had to cut a huge hole in the flimsy wooden roof of the Palace of Agriculture and Foreign Exhibits. With its inadequate gutters and rainspouts overwhelmed, several tons of water collected on the flat surface, raising fears of a collapse. Tons of water cascaded on the exhibits below, destroying them instantly.

By August, most of the attractions were open for business, and the Sesqui began to resemble a real international exposition. Yet, after the dazzling, rococo splendor of earlier world’s fairs, the general consensus was that the Sesqui was the dreariest exposition in memory. Only a handful of structures showed architectural merit. Among them were Ralph Bencker’s Pennsylvania State Building, a modernist masterpiece, and the Persian Building, modeled after the King’s Mosque in Isfahan by Philadelphia architect Carl Augustus Ziegler.

One of the few popular and profitable exhibits was the High Street of 1776, an imaginative recreation of a Revolutionary-era Market Street lined with reconstructions of historic, but lost buildings. This exhibit was created by the Sesqui-Centennial Women’s Committee, socially prominent women who could ignore the dictates of the Vare Organization. A team of architects headed by Richardson Brognard Okie lined the 800-foot-long byway with replicas of President Washington’s House, Franklin’s Print Shop, and the Jefferson Declaration House.

The High Street of 1776 exhibit attracted an average of 5,000 visitors a day. Costumed docents explained the historical significance of each building, while a stream of pageants and other events entertained visitors. High Street left one of the few positive legacies of the Sesqui by jumpstarting the historical preservation movement in Philadelphia. Its impact lives on in the “Colonial Chain” of historic houses in Fairmount Park, the Philadelphia Society for the Preservation of Landmarks, and the postwar development of Society Hill.

When the Sesqui closed on December 31, 1926, it had become infamous as “the flop heard round the world.” It attracted only 4.6 million paying visitors, versus eight to nine million paying visitors for the Centennial. This despite the fact that the U.S. population had nearly tripled, from an estimated 45 million in 1876 to 117 million in 1926.

It was also an expensive flop. The official cost of the Sesqui was $33 million, with a loss of $10 million. Adjusted for simple inflation, that equates to a 2025 outlay of $585 million and a loss of $177 million. However, when the higher cost of labor is considered, the modern-day cost of the Sesqui mushrooms to $2.4 billion, and the loss to $714 million. Given the Sesqui’s chaotic and byzantine bookkeeping, and the Kendrick administration’s efforts to conceal expenses, its actual cost may have been three to five times the official figures.

A 1927 auction of structures barely made a dent in the Sesqui debt. Buildings were sold for pennies on the hundreds of dollars. The $365,000 Tower of Light–now known as the “Light that Failed”–fetched $1,050. The giant Liberty Bell, which had cost over $100,000, was knocked down for $60. A few buildings were relocated and repurposed. Yet, most of the Sesqui was either dismantled for its raw materials or smashed into pieces. Piles of rubble from demolished Sesqui palaces would remain local landmarks for the next decade.  

The one permanent legacy of the fair, the Sesqui Stadium, was renamed Municipal Stadium. The rarely used bowl became infamous as one of Philadelphia’s biggest white elephants. In 1936, it began to host the Army-Navy football game and became the favored site for the game until 1980, when it moved to the adjacent Veterans Stadium.

Beyond the fairgrounds, the Sesqui accelerated the development of Philadelphia’s highway network and automotive infrastructure. One of the few Sesqui-related projects to be completed on time was the Delaware River Bridge, renamed the Benjamin Franklin Bridge in 1955. Opening on July 1, 1926, the bridge was an immediate success, carrying over 30,000 vehicles a day. Today, it handles upwards of 100,000 vehicles daily.

Yet, the fair’s exorbitant costs did more to hinder Philadelphia’s development than to advance it. To pay off Sesqui debt, the City transferred funds allotted to upgrading its antiquated water system and developing rapid transit lines to the fast-growing northeast and northwest districts. The Sesqui is a major reason why Roosevelt Boulevard remains one of the most congested and dangerous thoroughfares in America and why the space originally designated as the Museum of Art subway station is now its Vaulted Walkway.

In South Philadelphia, Sesqui-fueled infrastructural improvements led to limited growth below Pattison Avenue, but this was killed by the Great Depression. The Neck would not be fully developed until the 1950s, when construction of the Walt Whitman Bridge and the extension of the Schuylkill Expressway spurred creation of Packer Park and other residential districts. Today, the only remnant from the Sesqui is its former police headquarters, now re-purposed as the entrance to the new FDR Park Welcome Center. While the cornerstone for the American Swedish Historical Museum on Pattison Avenue was laid during the Sesqui, the building was not dedicated until 1938.

After being renamed John F. Kennedy Stadium in 1964, the crumbling Sesqui/Municipal Stadium hosted numerous rock concerts (including Live Aid in 1985) before being demolished in 1992. Today, its former site holds Xfinity Mobile Arena and parking lots, adjacent to the rest of the South Philadelphia Sports Complex (Citizens Bank Park and Lincoln Financial Field). So, the next time you’re stuck in traffic for hours trying to get to a Flyers game or a Dave Matthews Band concert, blame the Sesqui!

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