As per our previous conversations on steam, I'm offering up my list of proposed wonders here. Each would have an effect plus a bonus effect in the country follows a specific policy
River Rouge Complex
Tech: Combustion
Why: Giant Ford Motors Automobile factory built in the 1920s. It was the epitome of the giant assembly line.
Effect: +10% production in city
Additionally, if you have the freedom policy, +1 production, +1 happiness, and +1 culture for every factory. (Under Freedom we can assume that cars and other consumer goods are being churned out by factories)
Krupp Works
Tech: Dynamite
Why: Krupp became the worlds largest industrial company by 1900. They were essential in Nazi Germanys rearmament drive in the 1930s.
Effect: +10% production in the City
Additionally, if you have the autocracy policy, all tank/panzer/and modern armor units start with the Blitz promotion.
Uralvagonzavod
Tech: Combined Arms
Why: Responsible for most of the USSR/Russian Federations tank designs. It was the major tank production plant during and after the war. Currently, Uralvagonzavod produces more tanks than the rest of the world combined every year.
Effect: +15% production
Additionally, if you have the order policy, +25% production when training tank/panzer/modern armor units
Harmandir Sahib
Tech: Architecture
Why: Harmandir Sahib is considered holy by Sikhs. The Guru Granth Sahib, their most holy text, is always present inside the temple.
Effect: +5 faith
Additionally, with the piety policy, +1 science/culture/production/happiness in every city with a specialist
Baikonur Cosmodrome
Tech: Rocketry
Why: Major Soviet/Russian space center. Responsible for sputnik, sending Gagarin into space, etc.
Effect: +5 Science, +3 Production for every Spaceship factory
Additionally, with the rationalism policy, +15% production when building spaceship parts in this city
Pillars of Ashoka
Tech: Philosophy
Why: These pillars contain some of the edicts of the Mauryan King Ashoka. In addition to expressing his religious views these edicts outlawed slavery, called for better treatment of prisoners of war, and emphasized the importance of ethnic and religious tolerance on the part of the government.
Effect: +5 happiness
Additionally, with the liberty policy, +1 happiness/culture per every monument
Temple of Castor and Pollux
Tech: Horseback Riding
Why: This temple was built by the Roman Dictator Aulus Postumius Albus after he defeated the last king of Rome and his Latin allies (allowing for the establishment of the roman republic). Castor and Pollux (the Gemini twins of Greco-Roman mythology) were associated with horsemanship and seen as patrons of travelers, sailors, and athletes.
Effect: every stable and harbor in the empire grants + 1 production
Additionally, with the honor policy, gain +1 faith for every stable, coliseum, and Harbor in the empire
Portraits of Periodical Offerings
Tech: printing press
Why: These portraits were official historical paintings made during several Chinese dynasties depicting the visits of foreign dignitaries to pay tribute to the Chinese emperors.
Effect: +1 happiness per each friendly or allied city state
Additionally, with the patronage policy, gold gifts to city states produce 10% more influence
Catacombs of Kom el Shoqafa
Tech: Engineering
Why: This necropolis located in Alexandria mixes tombs, statues, and archeological objects of traditional Pharaonic funeral cults with Grecco-Roman influences. It is considered one of the seven medieval wonders of the world.
Effects: +1 culture per temple/burial mounds
Additionally, with the tradition policy, +10% faith in all cities
East India Company
Tech: Navigation
Why: This corporation opened up British trade with India and eventually took over control of most of the country (before the Crown took it away from the company and ruled India directly)- Must be build on coast
Effects:Two free great merchants appear at the city where this is built
Additionally, with the commerce policy, +50% Gold from Trade routes