It seems like the text you provided is already in English and does not need translation. However, I can confirm that its properly formatted in HTML. Here it is:
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Umbria is a decentralized protocol (DeFi) that creates tokenized money markets. These money markets will enable users to accrue interest.
2021年第四季度Umbria governance migration begins. Turn on the pledge function. Umbria V2 research phase begins. Unmanaged asset underwriting, flash loan, vault, interoperability, Polygon(MATIC) integration.
2021年第三季度Umbria DEX was launched, and the asset exchange of Umbria DEX began. Umbrias official liquidity pool is open, and liquidity providers can get Umbria rewards.
2021年第二季度UMBR is airdropped to the holders participating in UniSwap pool. Uniswapplp migration begins. LP holders began to receive UMBR rewards for each block for two weeks.
2021年第一季度UniSwap pool of main network token has been created. Umbria Uniswap pool is started in Ethereum main network. The bounty program begins. DEX is on the market. UMBR can be adopted by the community early/traded on UniSwap. Deploy Umbria Litepaper.
2020年第四季度UMBRia protocol experiment was successfully tested on Ropsten testnet, including exchange, liquidity pool, DEX and Umbr pledge. The research and development of Umbria DEX and liquidity pool V1 has been completed.