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        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001287235</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
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    <formData>
        <issuerInfo>
            <issuerCik>0001810560</issuerCik>
            <issuerName>REVELATION BIOSCIENCES, INC.</issuerName>
            <secFileNumber>001-39603</secFileNumber>
            <issuerAddress>
                <ns2:street1>4660 La Jolla Village Drive</ns2:street1>
                <ns2:street2>Suite 100</ns2:street2>
                <ns2:city>San Diego</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>92122</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(650) 800-3717</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>GEORGE F TIDMARSH &amp; COURTNEY MOULDS CO-TTEE THE TIDMARSH LIVING TRUST U/A DTD 09/26/2016</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>1429</noOfUnitsSold>
            <aggregateMarketValue>986.01</aggregateMarketValue>
            <noOfUnitsOutstanding>6297303</noOfUnitsOutstanding>
            <approxSaleDate>09/28/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/17/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Open Market</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1429</amountOfSecuritiesAcquired>
            <paymentDate>04/17/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>George Francis Tidmarsh</name>
                <address>
                    <ns2:street1>4660 La Jolla Village Drive</ns2:street1>
                    <ns2:street2>Suite 100</ns2:street2>
                    <ns2:city>San Diego</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92122</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/14/2023</saleDate>
            <amountOfSecuritiesSold>25500</amountOfSecuritiesSold>
            <grossProceeds>18896.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/28/2023</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ George Francis Tidmarsh</signature>
        </noticeSignature>
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144
0001287235
XXXXXXXX
LIVE
0001810560
REVELATION BIOSCIENCES, INC.
001-39603
4660 La Jolla Village Drive
Suite 100
San Diego
CA
92122
(650) 800-3717
GEORGE F TIDMARSH & COURTNEY MOULDS CO-TTEE THE TIDMARSH LIVING TRUST U/A DTD 09/26/2016
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
1429
986.01
6297303
09/28/2023
NASDAQ
Common
04/17/2023
Open Market Purchase
Open Market
N
1429
04/17/2023
Cash
N
George Francis Tidmarsh
4660 La Jolla Village Drive
Suite 100
San Diego
CA
92122
Common
09/14/2023
25500
18896.00
09/28/2023
/s/ George Francis Tidmarsh