Timeline of the Lyran Commonwealth

• 2235: Tamar Pact created
• 2271: Free Worlds League formed
• 2299: Federation of Skye formed
• 2315: Terran Hegemony formed
• 2317: Federated Suns formed
• 2319: Draconis Combine formed
• 2341: Lyran Commonwealth formed
• 2366: Capellan Confederation formed
• 2375: Robert Marsden named Archon Basileus
• 2376: Articles of Acceptance signed
• 2395: Alistair Marsden named Archon, Robert Marsden assassinated
• 2405: Alistair Marsden marries Katherine Steiner
• 2407: Tharkad named capital of Lyran Commonwealth
• 2408: Alistair Marsden killed, Katherine Steiner assumes Archonship, Vega Strike enacted
• 2412: Ares Conventions signed
• 2413: Brandenberg Edicts issued, Commonwealth Scout Corps formed
• 2439: BattleMech invented
• 2445: Alistair Steiner named Archon, Katherine Steiner steps down
• 2455: BattleMech plans stolen from Terran Hegemony
• 2463: Long March launched
• 2467: Alistair Steiner assassinated, Michael Steiner named Archon
• 2471: Michael Steiner dies, Steven Steiner named Archon
• 2488: Loki Incident
• 2501: Margaret Olsen named Archon, Steven Steiner dies
• 2503: Margaret Olsen removed
• 2506: Robert Steiner named Archon
• 2528: Craig Steiner named Archon, Robert Steiner abdicates
• 2543: Supreme Court of Commonwealth created
• 2555: Craig Steiner dies, Tracial Steiner named Archon
• 2558: Tharkad Accords signed
• 2570: Tracial Steiner dies, Viola Steiner-Dinesen named Archon
• 2571: Star League formed
• 2575: The Great Tax Debate
• 2581: Operation Mailed Fist launched
• 2591: Kevin Steiner-Dinesen kidnapped
• 2592: Estates-General disbanded, Kevin Steiner-Dinesen rescued
• 2596: Kevin Steiner-Dinesen named Archon, Viola Steiner-Dinesen killed
• 2611: Estates-General reconvened
• 2647: Kevin Steiner-Dinesen dies, Sarah Steiner-Dinesen named Archon
• 2660: Foreign tariffs rescinded
• 2672: Sarah Steiner-Dinesen abdicates, William Steiner named Archon
• 2704: Jonathan Steiner named Archon, William Steiner dies
• 2729: Jonathan Steiner dies, Michael Steiner II named Archon
• 2751: Simon Cameron killed
• 2760: Michael Steiner II dies, Robert Steiner II named Archon
• 2762: Richard Cameron comes of age
• 2765: New Vandenberg Crisis
• 2767: Amaris coup
• 2781: Jennifer Steiner named Archon, Robert Steiner II dies, Star League dissolved
• 2784: Operation Exodus takes place
• 2786: First Succession War begins
• 2791: Jennifer Steiner killed, Richard Steiner named Archon
• 2792: Reorganization of garrison
• 2812: Estates-General disbanded
• 2821: First Succession War ends, Peace Accord of Bella I signed
• 2822: Estates-General reconvened
• 2823: Marcus Steiner named Archon, Richard Steiner dies
• 2830: Second Succession War begins
• 2844: Marcus Steiner goes into a coma, Melissa Nin named Archon
• 2845: Claudius Steiner named Archon, Marcus Steiner dies, Melissa Nin executed for treason
• 2848: Operation Praying Mantis begins
• 2849: Claudius Steiner dies, Elizabeth Steiner named Archon-Designate, Estates-General
• 2850: Yoguchi Kurita assassinated by Snow Fire
• 2859: Elizabeth Steiner named Archon
• 2864: Second Succession War ends
• 2866: Third Succession War begins
• 2895: Elizabeth Steiner dies, Eric Steiner named Archon
• 2908: Military Services Acts modified
• 2913: Eric Steiner killed, Operation Freedom begins
• 2914: Tatyana Steiner named Archon
• 2937: Marco Steiner named Archon, Tatyana Steiner abdicates
• 2952: Giovanni Steiner named Archon, Marco Steiner retires
• 2980: Alessandro Steiner named Archon, Giovanni Steiner dies
• 2987: Deep Raid of 2987
• 3002: Operation Concentrated Weakness begins
• 3007: Alessandro Steiner is forced to retire, Katrina Steiner named Archon
• 3020: Katrina Steiner issues Peace Proposal
• 3022: Federated-Commonwealth Alliance Document signed
• 3025: Third Succession War ends
• 3027: Operation Thor takes place
• 3028: Fourth Succession War begins, Melissa Steiner marries Hanse Davion, Unofficial creation of the Federated-Commonwealth
• 3029: St. Ives Compact formed
• 3030: Fourth Succession War ends
• 3034: Free Rasalhague Republic formed, Skye Crisis
• 3039: Katrina Steiner abdicates, Melissa Steiner-Davion named Archon, War of 3039 begins
• 3040: Katrina Steiner dies, War of 3039 ends
• 3041: Armed Forces of the Federated Commonwealth created
• 3050: Clans invade Inner Sphere
• 3052: Battle of Tukayyid, Hanse Davion dies
• 3055: Melissa Steiner-Davion assassinated
• 3056: Archon-Prince Victor Steiner-Davion takes control of Federated Commonwealth, Federated Commonwealth officially created, Ryan Steiner assassinated
• 3057: Capellan Confederation and Free Worlds League invade Federated Commonwealth, Katrina Steiner named Archon of Lyran Alliance, Lyran Alliance formed
• 3058: Invasion of Coventry