Voting Instructions
Players, please cast your votes in the poll above. Vote "Yea" if you'd be okay if this proposal was implemented. Vote "Nay" if you'd be okay if this proposal wasn't implemented.
You can vote for both options, which is equivalent to saying "I'm fine either way", but adds to the required quorum of 25 votes in favor.
All votes are public. If you wish, you can discuss your choice(s) in the thread below. You can change your vote as many times as you want until the poll closes.
VP Congress: Session 5, Proposal 54
Definition of Historic Event (stolen from Civilopedia):
Historic Events represent monumental achievements that may occur during a game. These events require planning or user interaction, and are thus a dynamic part of acquiring cultural influence over other civilizations. When one of the following Historic Events is completed, receive a
Tourism boost with all known Civs based on your recent
Culture and
Tourism output:
Formula of Historic Event Tourism:
When a player triggers a certain type of Historic Event, the game first adds up the values of all the sources to get the "number of turns to count". Let's call this X.
Base
Tourism amount from
Tourism sources:
Last 10 turns of per-turn tourism and instant tourism * X / 10, if X < 10
Last X turns of per-turn tourism and instant tourism, if X >= 10
Next we divide X by 3 to get Y (rounded down).
Base
Tourism amount from
Culture sources:
Last 10 turns of per-turn culture and instant culture * Y / 10, if Y < 10
Last Y turns of per-turn culture and instant culture, if Y >= 10
We add the two base amounts to get the final base
Tourism.
Number of city penalty: -2% per non-puppet non-Capital city, bounded between 1% and 75%.
Divide the post-penalty amount by the respective divisor (refer to above table) and we finally arrive at our Historic Event amount.
Problems:
1. Wide is already punished by the city difference penalty in the player-player tourism modifier. The penalty here is likely left over from when number of cities decreased tourism yields globally, and should be removed.
2. The 1/3 Culture is on the "number of turns", not on the total yields. This means the culture contribution from entering a Golden Age (4) and completing an Archaeological Dig (3) are identical, for example.
3. CV is still a bit too frequent. It can use a tiny nerf on Historic Event.
Proposal:
1. Remove number of city penalty. This should be a bugfix but for the sake of complete information I'm putting it here.
2. Use X to calculate Culture contribution in the above formula, and divide the result by 5 instead of 3. This means we're actually counting 20% of the "last X turns of culture".
The "Values" and the "Divisors" can also use some rebalancing, but it is out of scope for this proposal. Maybe next time!
Players, please cast your votes in the poll above. Vote "Yea" if you'd be okay if this proposal was implemented. Vote "Nay" if you'd be okay if this proposal wasn't implemented.
You can vote for both options, which is equivalent to saying "I'm fine either way", but adds to the required quorum of 25 votes in favor.
All votes are public. If you wish, you can discuss your choice(s) in the thread below. You can change your vote as many times as you want until the poll closes.
VP Congress: Session 5, Proposal 54
Definition of Historic Event (stolen from Civilopedia):
Historic Events represent monumental achievements that may occur during a game. These events require planning or user interaction, and are thus a dynamic part of acquiring cultural influence over other civilizations. When one of the following Historic Events is completed, receive a



- Earn a
Great Person
- Build a World Wonder
- Win a
War (Warscore 25+)
- Enter a new
Era
- Enter a
Golden Age (Artistry)
- Complete an Archaeological Dig (Artistry)
Trade with a Major Civilization (Bazaar, Caravansary, Harbor, Zoo)
Trade with a
City-State (Statecraft)
Formula of Historic Event Tourism:
Type | Source: Value (aka "number of turns") | Divisor (hardcoded in DLL) |
---|---|---|
Earn a ![]() | Palace: 7 Futurism: 3 | 15 |
Build a World Wonder | Palace: 7 Futurism: 3 | 5 |
Win a ![]() | Palace: 7 Futurism: 3 | 5 |
Enter a new ![]() | Palace: 7 Futurism: 3 | 10 |
Enter a ![]() | Artistry Finisher: 4 | 5 |
Complete an Archaeological Dig | Artistry Finisher: 3 | 10 |
![]() | Bazaar: 6 Caravansary: 10 Zoo: 5 | 15 |
![]() | Bazaar: 6 Harbor: 10 Zoo: 5 | 15 |
![]() ![]() | Consulates: 4 | 5 |
When a player triggers a certain type of Historic Event, the game first adds up the values of all the sources to get the "number of turns to count". Let's call this X.
Base


Last 10 turns of per-turn tourism and instant tourism * X / 10, if X < 10
Last X turns of per-turn tourism and instant tourism, if X >= 10
Next we divide X by 3 to get Y (rounded down).
Base


Last 10 turns of per-turn culture and instant culture * Y / 10, if Y < 10
Last Y turns of per-turn culture and instant culture, if Y >= 10
We add the two base amounts to get the final base

Number of city penalty: -2% per non-puppet non-Capital city, bounded between 1% and 75%.
Divide the post-penalty amount by the respective divisor (refer to above table) and we finally arrive at our Historic Event amount.
Problems:
1. Wide is already punished by the city difference penalty in the player-player tourism modifier. The penalty here is likely left over from when number of cities decreased tourism yields globally, and should be removed.
2. The 1/3 Culture is on the "number of turns", not on the total yields. This means the culture contribution from entering a Golden Age (4) and completing an Archaeological Dig (3) are identical, for example.
3. CV is still a bit too frequent. It can use a tiny nerf on Historic Event.
Proposal:
1. Remove number of city penalty. This should be a bugfix but for the sake of complete information I'm putting it here.
2. Use X to calculate Culture contribution in the above formula, and divide the result by 5 instead of 3. This means we're actually counting 20% of the "last X turns of culture".
The "Values" and the "Divisors" can also use some rebalancing, but it is out of scope for this proposal. Maybe next time!
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