Discoveries to Research First in Anno 117 Pax Romana

In Anno 117: Pax Romana, the road to a thriving and resilient Roman province is paved not just with meticulous city planning, but with strategic technological investment. Early in the game, players unlock the ability to research new technologies, known as Discoveries. These breakthroughs—unlocked by building the Grammaticus structure and generating Knowledge—are critical, providing access to essential buildings, powerful upgrades, and passive buffs that can exponentially accelerate your civilization’s growth.While the Discovery tree is vast, smart governors must prioritize. Since many of the most impactful technologies are initially locked, knowing which ones to target first will give your economy and infrastructure a vital early advantage. Some Discoveries are gated behind Inspirations, which require achieving a specific goal (e.g., building a Shipyard and generating 500 Knowledge), emphasizing the importance of planning your research alongside your expansion. This guide breaks down the most essential economic, civic, and military Discoveries you should research immediately to ensure prosperity and security.

Anno 117 Pax Romana: Discoveries to Research First

Accelerating Prosperity: Best Economic Discoveries First

Economic Discoveries are the bedrock of your empire, enabling greater material production rates, faster resource movement, and efficient storage—all crucial for preventing costly bottlenecks.

1. Sewing Circles (Knowledge Generator)

• Description: Buildings near your Spinners will produce Knowledge.
• Why Research First: This is arguably the most valuable early discovery. Access to more Knowledge directly increases the rate at which all new technologies are researched. By building more Spinners and strategically surrounding them with other structures, you establish a powerful Knowledge-generation loop that unlocks the rest of the tech tree faster.

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2. Depots (Storage Safety)

• Description: Unlocks the Depot building, which significantly increases the island's maximum storage capacity.
• Why Research First: Limited storage capacity is one of the quickest ways to bottleneck agrowing city. Resources pile up, production stalls, and efficiencydrops. Researching and immediately building Depots provides a crucialsafety net, ensuring your growing economy can handle its own output.

3. Trading Post Improvements (Logistical Efficiency)

• Description: Upgraded Trading Posts gain more ramps to avoid congestion and increase the island's storage capacity.
• Why Research First: Trading Posts are central to your island’s economy. Avoiding congestion in their vicinity is essential for smooth trade and transport. Theincreased storage capacity here acts as a secondary buffer,complementing Depots.

4. Paved Roads (Speed and Reach)

• Description: Paved Roads enable faster transportation of goods, which in turn extends the effective reach of all connected buildings.
• Why Research First: Though this Discovery requires amassing Concrete, the effort is well worth it. Paved Roads benefit your entire civilization, dramatically speeding up the delivery of resources to production chains and markets. Every single building benefits from this logistical boost, creating systemic prosperity.

5. Duct Irrigation (Farm Productivity)

• Description: Allows all farms to benefit from cistern irrigation, dramatically increasing their productivity.
• Why Research First: Unlocking this feature enhances the importance of your Aqueducts,ensuring your farms can produce far more food and raw goods. A boost tofarm output solves potential food shortages early and frees up land forother development.

Securing Stability: Best Civic Discoveries First

Civic research focuses on the health, safety, and happiness of yourresidents, which is essential for upgrading them to higher populationtiers (e.g., Liberti to Plebeians).

1. Market Focus (Population Growth)

• Description: Provides a +25% Effect Range for Markets.
• Why Research First: If your Liberti population tier is not within range of a Market, their basic needs areunmet, preventing them from achieving the happiness required to upgradeto the Plebeian tier. Increasing Market range is a direct priority for facilitating population growth and unlocking advanced goods.

2. Wells (Fire Prevention)

• Description: Unlocks the Well building to help prevent fires.
• Why Research First: Large fire outbreaks can set your city back drastically, destroying infrastructure and demanding costly rebuilding. While Vigiles (firefighters) are important, they are best supported by a widespreadnetwork of Wells, creating a robust, multi-layered fire defense system.

3. Hospitality (Specialist Access)

• Description: Unlocks the Officia building to accommodate Specialists, and allows one more Officium per island.
• Why Research First: Specialists are high-impact units that vastly improve certain aspects of a city(e.g., production, maintenance, research). Gaining access to moreSpecialists is a massive goal, and since you only need to build a fewOfficia, this Discovery offers a cheap, high-yield benefit.

4. Latrines (Disease Prevention)

• Description: Increases Health in nearby areas.
• Why Research First: Building public Latrines improves sanitation, which directly helpsprevent the spread of disease. A healthy populace is a productivepopulace, making disease prevention a crucial, proactive civicinvestment.

Building Power: Best Military Discoveries First

While war can sometimes be avoided, being prepared is paramount. Dipping into the Military tech tree ensures your assets are protected and yourforces are formidable.

1. Tacking (Trade and War Mobility)

• Description: Provides +5% Movement Speed and -20% Unfavorable Wind Impact for ships.
• Why Research First: This buff benefits your entire fleet. Faster ships are crucial in times of war, but the reduced time spent traversing trade routes alsoprovides a passive, permanent economic benefit for your trading galleys.

2. Armorsmithing (Troop Survivability)

• Description: Unlocks the Armor Chain upgrade.
• Why Research First: Raising troops is costly in both coin and manpower. Giving yoursoldiers improved armor offers them a better chance at survival incombat. This is an utmost priority if you plan on engaging in militaryconflicts, as it reduces the frequency of needing to recruit expensivereplacements.

3. Repair Cranes (Naval Resilience)

• Description: Unlocks the Repair Crane building, which heals nearby ships.
• Why Research First: If you possess a navy and are engaged in warfare, this building isessential. It keeps your ships afloat after battles, saving you theconstant cost and time required to build entirely new vessels.

4. Rammed Earth (Wall Upkeep Reduction)

• Description: Provides -30% Wall Upkeep.
• Why Research First: Defensive walls are your simplest way to stay safe, but theirmaintenance can be an economic burden. Researching this Discoverysignificantly lowers the upkeep cost, allowing you to build and maintain expansive defenses without crippling your treasury. The subsequentupgrade to Stone Walls (which requires Concrete) is also highly valuable for maximizing defense.

By focusing your early Knowledge generation on Sewing Circles and prioritizing logistical boosts like Depots and Paved Roads, you will create a resilient, efficient, and technologically advanced Roman province ready to dominate the Mediterranean.

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